?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
Samba 3: added Samba 3.0.24 sources
[tomato.git] / release / src / router / samba3 / source / passdb / pdb_ldap.c
blob54c250033ddef306f94707c3aa8d264da9e9bbc0
1 /*
2 Unix SMB/CIFS implementation.
3 LDAP protocol helper functions for SAMBA
4 Copyright (C) Jean François Micouleau 1998
5 Copyright (C) Gerald Carter 2001-2003
6 Copyright (C) Shahms King 2001
7 Copyright (C) Andrew Bartlett 2002-2003
8 Copyright (C) Stefan (metze) Metzmacher 2002-2003
9 Copyright (C) Simo Sorce 2006
10
11 This program is free software; you can redistribute it and/or modify
12 it under the terms of the GNU General Public License as published by
13 the Free Software Foundation; either version 2 of the License, or
14 (at your option) any later version.
15
16 This program is distributed in the hope that it will be useful,
17 but WITHOUT ANY WARRANTY; without even the implied warranty of
18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 GNU General Public License for more details.
20
21 You should have received a copy of the GNU General Public License
22 along with this program; if not, write to the Free Software
23 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
24
25 */
26
27 /* TODO:
28 * persistent connections: if using NSS LDAP, many connections are made
29 * however, using only one within Samba would be nice
30 *
31 * Clean up SSL stuff, compile on OpenLDAP 1.x, 2.x, and Netscape SDK
32 *
33 * Other LDAP based login attributes: accountExpires, etc.
34 * (should be the domain of Samba proper, but the sam_password/struct samu
35 * structures don't have fields for some of these attributes)
36 *
37 * SSL is done, but can't get the certificate based authentication to work
38 * against on my test platform (Linux 2.4, OpenLDAP 2.x)
39 */
40
41 /* NOTE: this will NOT work against an Active Directory server
42 * due to the fact that the two password fields cannot be retrieved
43 * from a server; recommend using security = domain in this situation
44 * and/or winbind
45 */
46
47 #include "includes.h"
48
49 #undef DBGC_CLASS
50 #define DBGC_CLASS DBGC_PASSDB
51
52 #include <lber.h>
53 #include <ldap.h>
54
55 /*
56 * Work around versions of the LDAP client libs that don't have the OIDs
57 * defined, or have them defined under the old name.
58 * This functionality is really a factor of the server, not the client
59 *
60 */
61
62 #if defined(LDAP_EXOP_X_MODIFY_PASSWD) && !defined(LDAP_EXOP_MODIFY_PASSWD)
63 #define LDAP_EXOP_MODIFY_PASSWD LDAP_EXOP_X_MODIFY_PASSWD
64 #elif !defined(LDAP_EXOP_MODIFY_PASSWD)
65 #define LDAP_EXOP_MODIFY_PASSWD "1.3.6.1.4.1.4203.1.11.1"
66 #endif
67
68 #if defined(LDAP_EXOP_X_MODIFY_PASSWD_ID) && !defined(LDAP_EXOP_MODIFY_PASSWD_ID)
69 #define LDAP_TAG_EXOP_MODIFY_PASSWD_ID LDAP_EXOP_X_MODIFY_PASSWD_ID
70 #elif !defined(LDAP_EXOP_MODIFY_PASSWD_ID)
71 #define LDAP_TAG_EXOP_MODIFY_PASSWD_ID ((ber_tag_t) 0x80U)
72 #endif
73
74 #if defined(LDAP_EXOP_X_MODIFY_PASSWD_NEW) && !defined(LDAP_EXOP_MODIFY_PASSWD_NEW)
75 #define LDAP_TAG_EXOP_MODIFY_PASSWD_NEW LDAP_EXOP_X_MODIFY_PASSWD_NEW
76 #elif !defined(LDAP_EXOP_MODIFY_PASSWD_NEW)
77 #define LDAP_TAG_EXOP_MODIFY_PASSWD_NEW ((ber_tag_t) 0x82U)
78 #endif
79
80
81 #include "smbldap.h"
82
83 /**********************************************************************
84 Simple helper function to make stuff better readable
85 **********************************************************************/
86
87 static LDAP *priv2ld(struct ldapsam_privates *priv)
88 {
89 return priv->smbldap_state->ldap_struct;
90 }
91
92 /**********************************************************************
93 Get the attribute name given a user schame version.
94 **********************************************************************/
95
96 static const char* get_userattr_key2string( int schema_ver, int key )
97 {
98 switch ( schema_ver ) {
99 case SCHEMAVER_SAMBAACCOUNT:
100 return get_attr_key2string( attrib_map_v22, key );
101
102 case SCHEMAVER_SAMBASAMACCOUNT:
103 return get_attr_key2string( attrib_map_v30, key );
104
105 default:
106 DEBUG(0,("get_userattr_key2string: unknown schema version specified\n"));
107 break;
108 }
109 return NULL;
110 }
111
112 /**********************************************************************
113 Return the list of attribute names given a user schema version.
114 **********************************************************************/
115
116 const char** get_userattr_list( TALLOC_CTX *mem_ctx, int schema_ver )
117 {
118 switch ( schema_ver ) {
119 case SCHEMAVER_SAMBAACCOUNT:
120 return get_attr_list( mem_ctx, attrib_map_v22 );
121
122 case SCHEMAVER_SAMBASAMACCOUNT:
123 return get_attr_list( mem_ctx, attrib_map_v30 );
124 default:
125 DEBUG(0,("get_userattr_list: unknown schema version specified!\n"));
126 break;
127 }
128
129 return NULL;
130 }
131
132 /**************************************************************************
133 Return the list of attribute names to delete given a user schema version.
134 **************************************************************************/
135
136 static const char** get_userattr_delete_list( TALLOC_CTX *mem_ctx,
137 int schema_ver )
138 {
139 switch ( schema_ver ) {
140 case SCHEMAVER_SAMBAACCOUNT:
141 return get_attr_list( mem_ctx,
142 attrib_map_to_delete_v22 );
143
144 case SCHEMAVER_SAMBASAMACCOUNT:
145 return get_attr_list( mem_ctx,
146 attrib_map_to_delete_v30 );
147 default:
148 DEBUG(0,("get_userattr_delete_list: unknown schema version specified!\n"));
149 break;
150 }
151
152 return NULL;
153 }
154
155
156 /*******************************************************************
157 Generate the LDAP search filter for the objectclass based on the
158 version of the schema we are using.
159 ******************************************************************/
160
161 static const char* get_objclass_filter( int schema_ver )
162 {
163 static fstring objclass_filter;
164
165 switch( schema_ver ) {
166 case SCHEMAVER_SAMBAACCOUNT:
167 fstr_sprintf( objclass_filter, "(objectclass=%s)", LDAP_OBJ_SAMBAACCOUNT );
168 break;
169 case SCHEMAVER_SAMBASAMACCOUNT:
170 fstr_sprintf( objclass_filter, "(objectclass=%s)", LDAP_OBJ_SAMBASAMACCOUNT );
171 break;
172 default:
173 DEBUG(0,("get_objclass_filter: Invalid schema version specified!\n"));
174 break;
175 }
176
177 return objclass_filter;
178 }
179
180 /*****************************************************************
181 Scan a sequence number off OpenLDAP's syncrepl contextCSN
182 ******************************************************************/
183
184 static NTSTATUS ldapsam_get_seq_num(struct pdb_methods *my_methods, time_t *seq_num)
185 {
186 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
187 NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
188 LDAPMessage *msg = NULL;
189 LDAPMessage *entry = NULL;
190 TALLOC_CTX *mem_ctx;
191 char **values = NULL;
192 int rc, num_result, num_values, rid;
193 pstring suffix;
194 fstring tok;
195 const char *p;
196 const char **attrs;
197
198 /* Unfortunatly there is no proper way to detect syncrepl-support in
199 * smbldap_connect_system(). The syncrepl OIDs are submitted for publication
200 * but do not show up in the root-DSE yet. Neither we can query the
201 * subschema-context for the syncProviderSubentry or syncConsumerSubentry
202 * objectclass. Currently we require lp_ldap_suffix() to show up as
203 * namingContext. - Guenther
204 */
205
206 if (!lp_parm_bool(-1, "ldapsam", "syncrepl_seqnum", False)) {
207 return ntstatus;
208 }
209
210 if (!seq_num) {
211 DEBUG(3,("ldapsam_get_seq_num: no sequence_number\n"));
212 return ntstatus;
213 }
214
215 if (!smbldap_has_naming_context(ldap_state->smbldap_state->ldap_struct, lp_ldap_suffix())) {
216 DEBUG(3,("ldapsam_get_seq_num: DIT not configured to hold %s "
217 "as top-level namingContext\n", lp_ldap_suffix()));
218 return ntstatus;
219 }
220
221 mem_ctx = talloc_init("ldapsam_get_seq_num");
222
223 if (mem_ctx == NULL)
224 return NT_STATUS_NO_MEMORY;
225
226 if ((attrs = TALLOC_ARRAY(mem_ctx, const char *, 2)) == NULL) {
227 ntstatus = NT_STATUS_NO_MEMORY;
228 goto done;
229 }
230
231 /* if we got a syncrepl-rid (up to three digits long) we speak with a consumer */
232 rid = lp_parm_int(-1, "ldapsam", "syncrepl_rid", -1);
233 if (rid > 0) {
234
235 /* consumer syncreplCookie: */
236 /* csn=20050126161620Z#0000001#00#00000 */
237 attrs[0] = talloc_strdup(mem_ctx, "syncreplCookie");
238 attrs[1] = NULL;
239 pstr_sprintf( suffix, "cn=syncrepl%d,%s", rid, lp_ldap_suffix());
240
241 } else {
242
243 /* provider contextCSN */
244 /* 20050126161620Z#000009#00#000000 */
245 attrs[0] = talloc_strdup(mem_ctx, "contextCSN");
246 attrs[1] = NULL;
247 pstr_sprintf( suffix, "cn=ldapsync,%s", lp_ldap_suffix());
248
249 }
250
251 rc = smbldap_search(ldap_state->smbldap_state, suffix,
252 LDAP_SCOPE_BASE, "(objectclass=*)", attrs, 0, &msg);
253
254 if (rc != LDAP_SUCCESS) {
255 goto done;
256 }
257
258 num_result = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg);
259 if (num_result != 1) {
260 DEBUG(3,("ldapsam_get_seq_num: Expected one entry, got %d\n", num_result));
261 goto done;
262 }
263
264 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, msg);
265 if (entry == NULL) {
266 DEBUG(3,("ldapsam_get_seq_num: Could not retrieve entry\n"));
267 goto done;
268 }
269
270 values = ldap_get_values(ldap_state->smbldap_state->ldap_struct, entry, attrs[0]);
271 if (values == NULL) {
272 DEBUG(3,("ldapsam_get_seq_num: no values\n"));
273 goto done;
274 }
275
276 num_values = ldap_count_values(values);
277 if (num_values == 0) {
278 DEBUG(3,("ldapsam_get_seq_num: not a single value\n"));
279 goto done;
280 }
281
282 p = values[0];
283 if (!next_token(&p, tok, "#", sizeof(tok))) {
284 DEBUG(0,("ldapsam_get_seq_num: failed to parse sequence number\n"));
285 goto done;
286 }
287
288 p = tok;
289 if (!strncmp(p, "csn=", strlen("csn=")))
290 p += strlen("csn=");
291
292 DEBUG(10,("ldapsam_get_seq_num: got %s: %s\n", attrs[0], p));
293
294 *seq_num = generalized_to_unix_time(p);
295
296 /* very basic sanity check */
297 if (*seq_num <= 0) {
298 DEBUG(3,("ldapsam_get_seq_num: invalid sequence number: %d\n",
299 (int)*seq_num));
300 goto done;
301 }
302
303 ntstatus = NT_STATUS_OK;
304
305 done:
306 if (values != NULL)
307 ldap_value_free(values);
308 if (msg != NULL)
309 ldap_msgfree(msg);
310 if (mem_ctx)
311 talloc_destroy(mem_ctx);
312
313 return ntstatus;
314 }
315
316 /*******************************************************************
317 Run the search by name.
318 ******************************************************************/
319
320 int ldapsam_search_suffix_by_name(struct ldapsam_privates *ldap_state,
321 const char *user,
322 LDAPMessage ** result,
323 const char **attr)
324 {
325 pstring filter;
326 char *escape_user = escape_ldap_string_alloc(user);
327
328 if (!escape_user) {
329 return LDAP_NO_MEMORY;
330 }
331
332 /*
333 * in the filter expression, replace %u with the real name
334 * so in ldap filter, %u MUST exist :-)
335 */
336 pstr_sprintf(filter, "(&%s%s)", "(uid=%u)",
337 get_objclass_filter(ldap_state->schema_ver));
338
339 /*
340 * have to use this here because $ is filtered out
341 * in pstring_sub
342 */
343
344
345 all_string_sub(filter, "%u", escape_user, sizeof(pstring));
346 SAFE_FREE(escape_user);
347
348 return smbldap_search_suffix(ldap_state->smbldap_state, filter, attr, result);
349 }
350
351 /*******************************************************************
352 Run the search by rid.
353 ******************************************************************/
354
355 static int ldapsam_search_suffix_by_rid (struct ldapsam_privates *ldap_state,
356 uint32 rid, LDAPMessage ** result,
357 const char **attr)
358 {
359 pstring filter;
360 int rc;
361
362 pstr_sprintf(filter, "(&(rid=%i)%s)", rid,
363 get_objclass_filter(ldap_state->schema_ver));
364
365 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, attr, result);
366
367 return rc;
368 }
369
370 /*******************************************************************
371 Run the search by SID.
372 ******************************************************************/
373
374 static int ldapsam_search_suffix_by_sid (struct ldapsam_privates *ldap_state,
375 const DOM_SID *sid, LDAPMessage ** result,
376 const char **attr)
377 {
378 pstring filter;
379 int rc;
380 fstring sid_string;
381
382 pstr_sprintf(filter, "(&(%s=%s)%s)",
383 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_SID),
384 sid_to_string(sid_string, sid),
385 get_objclass_filter(ldap_state->schema_ver));
386
387 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, attr, result);
388
389 return rc;
390 }
391
392 /*******************************************************************
393 Delete complete object or objectclass and attrs from
394 object found in search_result depending on lp_ldap_delete_dn
395 ******************************************************************/
396
397 static int ldapsam_delete_entry(struct ldapsam_privates *priv,
398 TALLOC_CTX *mem_ctx,
399 LDAPMessage *entry,
400 const char *objectclass,
401 const char **attrs)
402 {
403 LDAPMod **mods = NULL;
404 char *name;
405 const char *dn;
406 BerElement *ptr = NULL;
407
408 dn = smbldap_talloc_dn(mem_ctx, priv2ld(priv), entry);
409 if (dn == NULL) {
410 return LDAP_NO_MEMORY;
411 }
412
413 if (lp_ldap_delete_dn()) {
414 return smbldap_delete(priv->smbldap_state, dn);
415 }
416
417 /* Ok, delete only the SAM attributes */
418
419 for (name = ldap_first_attribute(priv2ld(priv), entry, &ptr);
420 name != NULL;
421 name = ldap_next_attribute(priv2ld(priv), entry, ptr)) {
422 const char **attrib;
423
424 /* We are only allowed to delete the attributes that
425 really exist. */
426
427 for (attrib = attrs; *attrib != NULL; attrib++) {
428 if (strequal(*attrib, name)) {
429 DEBUG(10, ("ldapsam_delete_entry: deleting "
430 "attribute %s\n", name));
431 smbldap_set_mod(&mods, LDAP_MOD_DELETE, name,
432 NULL);
433 }
434 }
435 ldap_memfree(name);
436 }
437
438 if (ptr != NULL) {
439 ber_free(ptr, 0);
440 }
441
442 smbldap_set_mod(&mods, LDAP_MOD_DELETE, "objectClass", objectclass);
443 talloc_autofree_ldapmod(mem_ctx, mods);
444
445 return smbldap_modify(priv->smbldap_state, dn, mods);
446 }
447
448 static time_t ldapsam_get_entry_timestamp( struct ldapsam_privates *ldap_state, LDAPMessage * entry)
449 {
450 pstring temp;
451 struct tm tm;
452
453 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
454 get_userattr_key2string(ldap_state->schema_ver,LDAP_ATTR_MOD_TIMESTAMP),
455 temp))
456 return (time_t) 0;
457
458 strptime(temp, "%Y%m%d%H%M%SZ", &tm);
459 tzset();
460 return timegm(&tm);
461 }
462
463 /**********************************************************************
464 Initialize struct samu from an LDAP query.
465 (Based on init_sam_from_buffer in pdb_tdb.c)
466 *********************************************************************/
467
468 static BOOL init_sam_from_ldap(struct ldapsam_privates *ldap_state,
469 struct samu * sampass,
470 LDAPMessage * entry)
471 {
472 time_t logon_time,
473 logoff_time,
474 kickoff_time,
475 pass_last_set_time,
476 pass_can_change_time,
477 pass_must_change_time,
478 ldap_entry_time,
479 bad_password_time;
480 pstring username,
481 domain,
482 nt_username,
483 fullname,
484 homedir,
485 dir_drive,
486 logon_script,
487 profile_path,
488 acct_desc,
489 workstations;
490 char munged_dial[2048];
491 uint32 user_rid;
492 uint8 smblmpwd[LM_HASH_LEN],
493 smbntpwd[NT_HASH_LEN];
494 BOOL use_samba_attrs = True;
495 uint32 acct_ctrl = 0;
496 uint16 logon_divs;
497 uint16 bad_password_count = 0,
498 logon_count = 0;
499 uint32 hours_len;
500 uint8 hours[MAX_HOURS_LEN];
501 pstring temp;
502 LOGIN_CACHE *cache_entry = NULL;
503 uint32 pwHistLen;
504 pstring tmpstring;
505 BOOL expand_explicit = lp_passdb_expand_explicit();
506
507 /*
508 * do a little initialization
509 */
510 username[0] = '\0';
511 domain[0] = '\0';
512 nt_username[0] = '\0';
513 fullname[0] = '\0';
514 homedir[0] = '\0';
515 dir_drive[0] = '\0';
516 logon_script[0] = '\0';
517 profile_path[0] = '\0';
518 acct_desc[0] = '\0';
519 munged_dial[0] = '\0';
520 workstations[0] = '\0';
521
522
523 if (sampass == NULL || ldap_state == NULL || entry == NULL) {
524 DEBUG(0, ("init_sam_from_ldap: NULL parameters found!\n"));
525 return False;
526 }
527
528 if (priv2ld(ldap_state) == NULL) {
529 DEBUG(0, ("init_sam_from_ldap: ldap_state->smbldap_state->"
530 "ldap_struct is NULL!\n"));
531 return False;
532 }
533
534 if (!smbldap_get_single_pstring(priv2ld(ldap_state), entry, "uid",
535 username)) {
536 DEBUG(1, ("init_sam_from_ldap: No uid attribute found for "
537 "this user!\n"));
538 return False;
539 }
540
541 DEBUG(2, ("init_sam_from_ldap: Entry found for user: %s\n", username));
542
543 pstrcpy(nt_username, username);
544
545 pstrcpy(domain, ldap_state->domain_name);
546
547 pdb_set_username(sampass, username, PDB_SET);
548
549 pdb_set_domain(sampass, domain, PDB_DEFAULT);
550 pdb_set_nt_username(sampass, nt_username, PDB_SET);
551
552 /* deal with different attributes between the schema first */
553
554 if ( ldap_state->schema_ver == SCHEMAVER_SAMBASAMACCOUNT ) {
555 if (smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
556 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_SID), temp)) {
557 pdb_set_user_sid_from_string(sampass, temp, PDB_SET);
558 }
559 } else {
560 if (smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
561 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_RID), temp)) {
562 user_rid = (uint32)atol(temp);
563 pdb_set_user_sid_from_rid(sampass, user_rid, PDB_SET);
564 }
565 }
566
567 if (pdb_get_init_flags(sampass,PDB_USERSID) == PDB_DEFAULT) {
568 DEBUG(1, ("init_sam_from_ldap: no %s or %s attribute found for this user %s\n",
569 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_SID),
570 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_RID),
571 username));
572 return False;
573 }
574
575 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
576 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_LAST_SET), temp)) {
577 /* leave as default */
578 } else {
579 pass_last_set_time = (time_t) atol(temp);
580 pdb_set_pass_last_set_time(sampass, pass_last_set_time, PDB_SET);
581 }
582
583 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
584 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGON_TIME), temp)) {
585 /* leave as default */
586 } else {
587 logon_time = (time_t) atol(temp);
588 pdb_set_logon_time(sampass, logon_time, PDB_SET);
589 }
590
591 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
592 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGOFF_TIME), temp)) {
593 /* leave as default */
594 } else {
595 logoff_time = (time_t) atol(temp);
596 pdb_set_logoff_time(sampass, logoff_time, PDB_SET);
597 }
598
599 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
600 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_KICKOFF_TIME), temp)) {
601 /* leave as default */
602 } else {
603 kickoff_time = (time_t) atol(temp);
604 pdb_set_kickoff_time(sampass, kickoff_time, PDB_SET);
605 }
606
607 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
608 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_CAN_CHANGE), temp)) {
609 /* leave as default */
610 } else {
611 pass_can_change_time = (time_t) atol(temp);
612 pdb_set_pass_can_change_time(sampass, pass_can_change_time, PDB_SET);
613 }
614
615 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
616 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_MUST_CHANGE), temp)) {
617 /* leave as default */
618 } else {
619 pass_must_change_time = (time_t) atol(temp);
620 pdb_set_pass_must_change_time(sampass, pass_must_change_time, PDB_SET);
621 }
622
623 /* recommend that 'gecos' and 'displayName' should refer to the same
624 * attribute OID. userFullName depreciated, only used by Samba
625 * primary rules of LDAP: don't make a new attribute when one is already defined
626 * that fits your needs; using cn then displayName rather than 'userFullName'
627 */
628
629 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
630 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_DISPLAY_NAME), fullname)) {
631 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
632 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_CN), fullname)) {
633 /* leave as default */
634 } else {
635 pdb_set_fullname(sampass, fullname, PDB_SET);
636 }
637 } else {
638 pdb_set_fullname(sampass, fullname, PDB_SET);
639 }
640
641 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
642 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_HOME_DRIVE), dir_drive))
643 {
644 pdb_set_dir_drive( sampass, lp_logon_drive(), PDB_DEFAULT );
645 } else {
646 pdb_set_dir_drive(sampass, dir_drive, PDB_SET);
647 }
648
649 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
650 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_HOME_PATH), homedir))
651 {
652 pdb_set_homedir( sampass,
653 talloc_sub_basic(sampass, username, lp_logon_home()),
654 PDB_DEFAULT );
655 } else {
656 pstrcpy( tmpstring, homedir );
657 if (expand_explicit) {
658 standard_sub_basic( username, tmpstring,
659 sizeof(tmpstring) );
660 }
661 pdb_set_homedir(sampass, tmpstring, PDB_SET);
662 }
663
664 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
665 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGON_SCRIPT), logon_script))
666 {
667 pdb_set_logon_script( sampass,
668 talloc_sub_basic(sampass, username, lp_logon_script()),
669 PDB_DEFAULT );
670 } else {
671 pstrcpy( tmpstring, logon_script );
672 if (expand_explicit) {
673 standard_sub_basic( username, tmpstring,
674 sizeof(tmpstring) );
675 }
676 pdb_set_logon_script(sampass, tmpstring, PDB_SET);
677 }
678
679 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
680 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PROFILE_PATH), profile_path))
681 {
682 pdb_set_profile_path( sampass,
683 talloc_sub_basic( sampass, username, lp_logon_path()),
684 PDB_DEFAULT );
685 } else {
686 pstrcpy( tmpstring, profile_path );
687 if (expand_explicit) {
688 standard_sub_basic( username, tmpstring,
689 sizeof(tmpstring) );
690 }
691 pdb_set_profile_path(sampass, tmpstring, PDB_SET);
692 }
693
694 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
695 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_DESC), acct_desc))
696 {
697 /* leave as default */
698 } else {
699 pdb_set_acct_desc(sampass, acct_desc, PDB_SET);
700 }
701
702 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
703 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_WKS), workstations)) {
704 /* leave as default */;
705 } else {
706 pdb_set_workstations(sampass, workstations, PDB_SET);
707 }
708
709 if (!smbldap_get_single_attribute(ldap_state->smbldap_state->ldap_struct, entry,
710 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_MUNGED_DIAL), munged_dial, sizeof(munged_dial))) {
711 /* leave as default */;
712 } else {
713 pdb_set_munged_dial(sampass, munged_dial, PDB_SET);
714 }
715
716 /* FIXME: hours stuff should be cleaner */
717
718 logon_divs = 168;
719 hours_len = 21;
720 memset(hours, 0xff, hours_len);
721
722 if (ldap_state->is_nds_ldap) {
723 char *user_dn;
724 size_t pwd_len;
725 char clear_text_pw[512];
726
727 /* Make call to Novell eDirectory ldap extension to get clear text password.
728 NOTE: This will only work if we have an SSL connection to eDirectory. */
729 user_dn = smbldap_get_dn(ldap_state->smbldap_state->ldap_struct, entry);
730 if (user_dn != NULL) {
731 DEBUG(3, ("init_sam_from_ldap: smbldap_get_dn(%s) returned '%s'\n", username, user_dn));
732
733 pwd_len = sizeof(clear_text_pw);
734 if (pdb_nds_get_password(ldap_state->smbldap_state, user_dn, &pwd_len, clear_text_pw) == LDAP_SUCCESS) {
735 nt_lm_owf_gen(clear_text_pw, smbntpwd, smblmpwd);
736 if (!pdb_set_lanman_passwd(sampass, smblmpwd, PDB_SET)) {
737 SAFE_FREE(user_dn);
738 return False;
739 }
740 ZERO_STRUCT(smblmpwd);
741 if (!pdb_set_nt_passwd(sampass, smbntpwd, PDB_SET)) {
742 SAFE_FREE(user_dn);
743 return False;
744 }
745 ZERO_STRUCT(smbntpwd);
746 use_samba_attrs = False;
747 }
748
749 SAFE_FREE(user_dn);
750
751 } else {
752 DEBUG(0, ("init_sam_from_ldap: failed to get user_dn for '%s'\n", username));
753 }
754 }
755
756 if (use_samba_attrs) {
757 if (!smbldap_get_single_pstring (ldap_state->smbldap_state->ldap_struct, entry,
758 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LMPW), temp)) {
759 /* leave as default */
760 } else {
761 pdb_gethexpwd(temp, smblmpwd);
762 memset((char *)temp, '\0', strlen(temp)+1);
763 if (!pdb_set_lanman_passwd(sampass, smblmpwd, PDB_SET))
764 return False;
765 ZERO_STRUCT(smblmpwd);
766 }
767
768 if (!smbldap_get_single_pstring (ldap_state->smbldap_state->ldap_struct, entry,
769 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_NTPW), temp)) {
770 /* leave as default */
771 } else {
772 pdb_gethexpwd(temp, smbntpwd);
773 memset((char *)temp, '\0', strlen(temp)+1);
774 if (!pdb_set_nt_passwd(sampass, smbntpwd, PDB_SET))
775 return False;
776 ZERO_STRUCT(smbntpwd);
777 }
778 }
779
780 pwHistLen = 0;
781
782 pdb_get_account_policy(AP_PASSWORD_HISTORY, &pwHistLen);
783 if (pwHistLen > 0){
784 uint8 *pwhist = NULL;
785 int i;
786 char history_string[MAX_PW_HISTORY_LEN*64];
787
788 pwHistLen = MIN(pwHistLen, MAX_PW_HISTORY_LEN);
789
790 if ((pwhist = SMB_MALLOC(pwHistLen * PW_HISTORY_ENTRY_LEN)) == NULL){
791 DEBUG(0, ("init_sam_from_ldap: malloc failed!\n"));
792 return False;
793 }
794 memset(pwhist, '\0', pwHistLen * PW_HISTORY_ENTRY_LEN);
795
796 if (!smbldap_get_single_attribute(ldap_state->smbldap_state->ldap_struct, entry,
797 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_HISTORY),
798 history_string, sizeof(history_string))) {
799 /* leave as default - zeros */
800 } else {
801 BOOL hex_failed = False;
802 for (i = 0; i < pwHistLen; i++){
803 /* Get the 16 byte salt. */
804 if (!pdb_gethexpwd(&history_string[i*64], &pwhist[i*PW_HISTORY_ENTRY_LEN])) {
805 hex_failed = True;
806 break;
807 }
808 /* Get the 16 byte MD5 hash of salt+passwd. */
809 if (!pdb_gethexpwd(&history_string[(i*64)+32],
810 &pwhist[(i*PW_HISTORY_ENTRY_LEN)+PW_HISTORY_SALT_LEN])) {
811 hex_failed = True;
812 break;
813 }
814 }
815 if (hex_failed) {
816 DEBUG(0,("init_sam_from_ldap: Failed to get password history for user %s\n",
817 username));
818 memset(pwhist, '\0', pwHistLen * PW_HISTORY_ENTRY_LEN);
819 }
820 }
821 if (!pdb_set_pw_history(sampass, pwhist, pwHistLen, PDB_SET)){
822 SAFE_FREE(pwhist);
823 return False;
824 }
825 SAFE_FREE(pwhist);
826 }
827
828 if (!smbldap_get_single_pstring (ldap_state->smbldap_state->ldap_struct, entry,
829 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_ACB_INFO), temp)) {
830 acct_ctrl |= ACB_NORMAL;
831 } else {
832 acct_ctrl = pdb_decode_acct_ctrl(temp);
833
834 if (acct_ctrl == 0)
835 acct_ctrl |= ACB_NORMAL;
836
837 pdb_set_acct_ctrl(sampass, acct_ctrl, PDB_SET);
838 }
839
840 pdb_set_hours_len(sampass, hours_len, PDB_SET);
841 pdb_set_logon_divs(sampass, logon_divs, PDB_SET);
842
843 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
844 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_BAD_PASSWORD_COUNT), temp)) {
845 /* leave as default */
846 } else {
847 bad_password_count = (uint32) atol(temp);
848 pdb_set_bad_password_count(sampass, bad_password_count, PDB_SET);
849 }
850
851 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
852 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_BAD_PASSWORD_TIME), temp)) {
853 /* leave as default */
854 } else {
855 bad_password_time = (time_t) atol(temp);
856 pdb_set_bad_password_time(sampass, bad_password_time, PDB_SET);
857 }
858
859
860 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
861 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGON_COUNT), temp)) {
862 /* leave as default */
863 } else {
864 logon_count = (uint32) atol(temp);
865 pdb_set_logon_count(sampass, logon_count, PDB_SET);
866 }
867
868 /* pdb_set_unknown_6(sampass, unknown6, PDB_SET); */
869
870 if(!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
871 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGON_HOURS), temp)) {
872 /* leave as default */
873 } else {
874 pdb_gethexhours(temp, hours);
875 memset((char *)temp, '\0', strlen(temp) +1);
876 pdb_set_hours(sampass, hours, PDB_SET);
877 ZERO_STRUCT(hours);
878 }
879
880 if (lp_parm_bool(-1, "ldapsam", "trusted", False)) {
881 if (smbldap_get_single_pstring(priv2ld(ldap_state), entry,
882 "uidNumber", temp)) {
883 /* We've got a uid, feed the cache */
884 uid_t uid = strtoul(temp, NULL, 10);
885 store_uid_sid_cache(pdb_get_user_sid(sampass), uid);
886 }
887 }
888
889 /* check the timestamp of the cache vs ldap entry */
890 if (!(ldap_entry_time = ldapsam_get_entry_timestamp(ldap_state,
891 entry)))
892 return True;
893
894 /* see if we have newer updates */
895 if (!(cache_entry = login_cache_read(sampass))) {
896 DEBUG (9, ("No cache entry, bad count = %u, bad time = %u\n",
897 (unsigned int)pdb_get_bad_password_count(sampass),
898 (unsigned int)pdb_get_bad_password_time(sampass)));
899 return True;
900 }
901
902 DEBUG(7, ("ldap time is %u, cache time is %u, bad time = %u\n",
903 (unsigned int)ldap_entry_time, (unsigned int)cache_entry->entry_timestamp,
904 (unsigned int)cache_entry->bad_password_time));
905
906 if (ldap_entry_time > cache_entry->entry_timestamp) {
907 /* cache is older than directory , so
908 we need to delete the entry but allow the
909 fields to be written out */
910 login_cache_delentry(sampass);
911 } else {
912 /* read cache in */
913 pdb_set_acct_ctrl(sampass,
914 pdb_get_acct_ctrl(sampass) |
915 (cache_entry->acct_ctrl & ACB_AUTOLOCK),
916 PDB_SET);
917 pdb_set_bad_password_count(sampass,
918 cache_entry->bad_password_count,
919 PDB_SET);
920 pdb_set_bad_password_time(sampass,
921 cache_entry->bad_password_time,
922 PDB_SET);
923 }
924
925 SAFE_FREE(cache_entry);
926 return True;
927 }
928
929 /**********************************************************************
930 Initialize the ldap db from a struct samu. Called on update.
931 (Based on init_buffer_from_sam in pdb_tdb.c)
932 *********************************************************************/
933
934 static BOOL init_ldap_from_sam (struct ldapsam_privates *ldap_state,
935 LDAPMessage *existing,
936 LDAPMod *** mods, struct samu * sampass,
937 BOOL (*need_update)(const struct samu *,
938 enum pdb_elements))
939 {
940 pstring temp;
941 uint32 rid;
942
943 if (mods == NULL || sampass == NULL) {
944 DEBUG(0, ("init_ldap_from_sam: NULL parameters found!\n"));
945 return False;
946 }
947
948 *mods = NULL;
949
950 /*
951 * took out adding "objectclass: sambaAccount"
952 * do this on a per-mod basis
953 */
954 if (need_update(sampass, PDB_USERNAME)) {
955 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
956 "uid", pdb_get_username(sampass));
957 if (ldap_state->is_nds_ldap) {
958 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
959 "cn", pdb_get_username(sampass));
960 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
961 "sn", pdb_get_username(sampass));
962 }
963 }
964
965 DEBUG(2, ("init_ldap_from_sam: Setting entry for user: %s\n", pdb_get_username(sampass)));
966
967 /* only update the RID if we actually need to */
968 if (need_update(sampass, PDB_USERSID)) {
969 fstring sid_string;
970 fstring dom_sid_string;
971 const DOM_SID *user_sid = pdb_get_user_sid(sampass);
972
973 switch ( ldap_state->schema_ver ) {
974 case SCHEMAVER_SAMBAACCOUNT:
975 if (!sid_peek_check_rid(&ldap_state->domain_sid, user_sid, &rid)) {
976 DEBUG(1, ("init_ldap_from_sam: User's SID (%s) is not for this domain (%s), cannot add to LDAP!\n",
977 sid_to_string(sid_string, user_sid),
978 sid_to_string(dom_sid_string, &ldap_state->domain_sid)));
979 return False;
980 }
981 slprintf(temp, sizeof(temp) - 1, "%i", rid);
982 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
983 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_RID),
984 temp);
985 break;
986
987 case SCHEMAVER_SAMBASAMACCOUNT:
988 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
989 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_SID),
990 sid_to_string(sid_string, user_sid));
991 break;
992
993 default:
994 DEBUG(0,("init_ldap_from_sam: unknown schema version specified\n"));
995 break;
996 }
997 }
998
999 /* we don't need to store the primary group RID - so leaving it
1000 'free' to hang off the unix primary group makes life easier */
1001
1002 if (need_update(sampass, PDB_GROUPSID)) {
1003 fstring sid_string;
1004 fstring dom_sid_string;
1005 const DOM_SID *group_sid = pdb_get_group_sid(sampass);
1006
1007 switch ( ldap_state->schema_ver ) {
1008 case SCHEMAVER_SAMBAACCOUNT:
1009 if (!sid_peek_check_rid(&ldap_state->domain_sid, group_sid, &rid)) {
1010 DEBUG(1, ("init_ldap_from_sam: User's Primary Group SID (%s) is not for this domain (%s), cannot add to LDAP!\n",
1011 sid_to_string(sid_string, group_sid),
1012 sid_to_string(dom_sid_string, &ldap_state->domain_sid)));
1013 return False;
1014 }
1015
1016 slprintf(temp, sizeof(temp) - 1, "%i", rid);
1017 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1018 get_userattr_key2string(ldap_state->schema_ver,
1019 LDAP_ATTR_PRIMARY_GROUP_RID), temp);
1020 break;
1021
1022 case SCHEMAVER_SAMBASAMACCOUNT:
1023 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1024 get_userattr_key2string(ldap_state->schema_ver,
1025 LDAP_ATTR_PRIMARY_GROUP_SID), sid_to_string(sid_string, group_sid));
1026 break;
1027
1028 default:
1029 DEBUG(0,("init_ldap_from_sam: unknown schema version specified\n"));
1030 break;
1031 }
1032
1033 }
1034
1035 /* displayName, cn, and gecos should all be the same
1036 * most easily accomplished by giving them the same OID
1037 * gecos isn't set here b/c it should be handled by the
1038 * add-user script
1039 * We change displayName only and fall back to cn if
1040 * it does not exist.
1041 */
1042
1043 if (need_update(sampass, PDB_FULLNAME))
1044 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1045 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_DISPLAY_NAME),
1046 pdb_get_fullname(sampass));
1047
1048 if (need_update(sampass, PDB_ACCTDESC))
1049 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1050 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_DESC),
1051 pdb_get_acct_desc(sampass));
1052
1053 if (need_update(sampass, PDB_WORKSTATIONS))
1054 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1055 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_WKS),
1056 pdb_get_workstations(sampass));
1057
1058 if (need_update(sampass, PDB_MUNGEDDIAL))
1059 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1060 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_MUNGED_DIAL),
1061 pdb_get_munged_dial(sampass));
1062
1063 if (need_update(sampass, PDB_SMBHOME))
1064 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1065 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_HOME_PATH),
1066 pdb_get_homedir(sampass));
1067
1068 if (need_update(sampass, PDB_DRIVE))
1069 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1070 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_HOME_DRIVE),
1071 pdb_get_dir_drive(sampass));
1072
1073 if (need_update(sampass, PDB_LOGONSCRIPT))
1074 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1075 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGON_SCRIPT),
1076 pdb_get_logon_script(sampass));
1077
1078 if (need_update(sampass, PDB_PROFILE))
1079 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1080 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PROFILE_PATH),
1081 pdb_get_profile_path(sampass));
1082
1083 slprintf(temp, sizeof(temp) - 1, "%li", pdb_get_logon_time(sampass));
1084 if (need_update(sampass, PDB_LOGONTIME))
1085 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1086 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGON_TIME), temp);
1087
1088 slprintf(temp, sizeof(temp) - 1, "%li", pdb_get_logoff_time(sampass));
1089 if (need_update(sampass, PDB_LOGOFFTIME))
1090 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1091 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGOFF_TIME), temp);
1092
1093 slprintf (temp, sizeof (temp) - 1, "%li", pdb_get_kickoff_time(sampass));
1094 if (need_update(sampass, PDB_KICKOFFTIME))
1095 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1096 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_KICKOFF_TIME), temp);
1097
1098 slprintf (temp, sizeof (temp) - 1, "%li", pdb_get_pass_can_change_time(sampass));
1099 if (need_update(sampass, PDB_CANCHANGETIME))
1100 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1101 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_CAN_CHANGE), temp);
1102
1103 slprintf (temp, sizeof (temp) - 1, "%li", pdb_get_pass_must_change_time(sampass));
1104 if (need_update(sampass, PDB_MUSTCHANGETIME))
1105 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1106 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_MUST_CHANGE), temp);
1107
1108
1109 if ((pdb_get_acct_ctrl(sampass)&(ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST))
1110 || (lp_ldap_passwd_sync()!=LDAP_PASSWD_SYNC_ONLY)) {
1111
1112 if (need_update(sampass, PDB_LMPASSWD)) {
1113 const uchar *lm_pw = pdb_get_lanman_passwd(sampass);
1114 if (lm_pw) {
1115 pdb_sethexpwd(temp, lm_pw,
1116 pdb_get_acct_ctrl(sampass));
1117 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1118 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LMPW),
1119 temp);
1120 } else {
1121 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1122 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LMPW),
1123 NULL);
1124 }
1125 }
1126 if (need_update(sampass, PDB_NTPASSWD)) {
1127 const uchar *nt_pw = pdb_get_nt_passwd(sampass);
1128 if (nt_pw) {
1129 pdb_sethexpwd(temp, nt_pw,
1130 pdb_get_acct_ctrl(sampass));
1131 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1132 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_NTPW),
1133 temp);
1134 } else {
1135 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1136 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_NTPW),
1137 NULL);
1138 }
1139 }
1140
1141 if (need_update(sampass, PDB_PWHISTORY)) {
1142 uint32 pwHistLen = 0;
1143 pdb_get_account_policy(AP_PASSWORD_HISTORY, &pwHistLen);
1144 if (pwHistLen == 0) {
1145 /* Remove any password history from the LDAP store. */
1146 memset(temp, '0', 64); /* NOTE !!!! '0' *NOT '\0' */
1147 temp[64] = '\0';
1148 } else {
1149 int i;
1150 uint32 currHistLen = 0;
1151 const uint8 *pwhist = pdb_get_pw_history(sampass, &currHistLen);
1152 if (pwhist != NULL) {
1153 /* We can only store (sizeof(pstring)-1)/64 password history entries. */
1154 pwHistLen = MIN(pwHistLen, ((sizeof(temp)-1)/64));
1155 for (i=0; i< pwHistLen && i < currHistLen; i++) {
1156 /* Store the salt. */
1157 pdb_sethexpwd(&temp[i*64], &pwhist[i*PW_HISTORY_ENTRY_LEN], 0);
1158 /* Followed by the md5 hash of salt + md4 hash */
1159 pdb_sethexpwd(&temp[(i*64)+32],
1160 &pwhist[(i*PW_HISTORY_ENTRY_LEN)+PW_HISTORY_SALT_LEN], 0);
1161 DEBUG(100, ("temp=%s\n", temp));
1162 }
1163 }
1164 }
1165 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1166 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_HISTORY),
1167 temp);
1168 }
1169
1170 if (need_update(sampass, PDB_PASSLASTSET)) {
1171 slprintf (temp, sizeof (temp) - 1, "%li", pdb_get_pass_last_set_time(sampass));
1172 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1173 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_LAST_SET),
1174 temp);
1175 }
1176 }
1177
1178 if (need_update(sampass, PDB_HOURS)) {
1179 const uint8 *hours = pdb_get_hours(sampass);
1180 if (hours) {
1181 pdb_sethexhours(temp, hours);
1182 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct,
1183 existing,
1184 mods,
1185 get_userattr_key2string(ldap_state->schema_ver,
1186 LDAP_ATTR_LOGON_HOURS),
1187 temp);
1188 }
1189 }
1190
1191 if (need_update(sampass, PDB_ACCTCTRL))
1192 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1193 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_ACB_INFO),
1194 pdb_encode_acct_ctrl (pdb_get_acct_ctrl(sampass), NEW_PW_FORMAT_SPACE_PADDED_LEN));
1195
1196 /* password lockout cache:
1197 - If we are now autolocking or clearing, we write to ldap
1198 - If we are clearing, we delete the cache entry
1199 - If the count is > 0, we update the cache
1200
1201 This even means when autolocking, we cache, just in case the
1202 update doesn't work, and we have to cache the autolock flag */
1203
1204 if (need_update(sampass, PDB_BAD_PASSWORD_COUNT)) /* &&
1205 need_update(sampass, PDB_BAD_PASSWORD_TIME)) */ {
1206 uint16 badcount = pdb_get_bad_password_count(sampass);
1207 time_t badtime = pdb_get_bad_password_time(sampass);
1208 uint32 pol;
1209 pdb_get_account_policy(AP_BAD_ATTEMPT_LOCKOUT, &pol);
1210
1211 DEBUG(3, ("updating bad password fields, policy=%u, count=%u, time=%u\n",
1212 (unsigned int)pol, (unsigned int)badcount, (unsigned int)badtime));
1213
1214 if ((badcount >= pol) || (badcount == 0)) {
1215 DEBUG(7, ("making mods to update ldap, count=%u, time=%u\n",
1216 (unsigned int)badcount, (unsigned int)badtime));
1217 slprintf (temp, sizeof (temp) - 1, "%li", (long)badcount);
1218 smbldap_make_mod(
1219 ldap_state->smbldap_state->ldap_struct,
1220 existing, mods,
1221 get_userattr_key2string(
1222 ldap_state->schema_ver,
1223 LDAP_ATTR_BAD_PASSWORD_COUNT),
1224 temp);
1225
1226 slprintf (temp, sizeof (temp) - 1, "%li", badtime);
1227 smbldap_make_mod(
1228 ldap_state->smbldap_state->ldap_struct,
1229 existing, mods,
1230 get_userattr_key2string(
1231 ldap_state->schema_ver,
1232 LDAP_ATTR_BAD_PASSWORD_TIME),
1233 temp);
1234 }
1235 if (badcount == 0) {
1236 DEBUG(7, ("bad password count is reset, deleting login cache entry for %s\n", pdb_get_nt_username(sampass)));
1237 login_cache_delentry(sampass);
1238 } else {
1239 LOGIN_CACHE cache_entry;
1240
1241 cache_entry.entry_timestamp = time(NULL);
1242 cache_entry.acct_ctrl = pdb_get_acct_ctrl(sampass);
1243 cache_entry.bad_password_count = badcount;
1244 cache_entry.bad_password_time = badtime;
1245
1246 DEBUG(7, ("Updating bad password count and time in login cache\n"));
1247 login_cache_write(sampass, cache_entry);
1248 }
1249 }
1250
1251 return True;
1252 }
1253
1254 /**********************************************************************
1255 Connect to LDAP server for password enumeration.
1256 *********************************************************************/
1257
1258 static NTSTATUS ldapsam_setsampwent(struct pdb_methods *my_methods, BOOL update, uint32 acb_mask)
1259 {
1260 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1261 int rc;
1262 pstring filter, suffix;
1263 const char **attr_list;
1264 BOOL machine_mask = False, user_mask = False;
1265
1266 pstr_sprintf( filter, "(&%s%s)", "(uid=%u)",
1267 get_objclass_filter(ldap_state->schema_ver));
1268 all_string_sub(filter, "%u", "*", sizeof(pstring));
1269
1270 machine_mask = ((acb_mask != 0) && (acb_mask & (ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST)));
1271 user_mask = ((acb_mask != 0) && (acb_mask & ACB_NORMAL));
1272
1273 if (machine_mask) {
1274 pstrcpy(suffix, lp_ldap_machine_suffix());
1275 } else if (user_mask) {
1276 pstrcpy(suffix, lp_ldap_user_suffix());
1277 } else {
1278 pstrcpy(suffix, lp_ldap_suffix());
1279 }
1280
1281 DEBUG(10,("ldapsam_setsampwent: LDAP Query for acb_mask 0x%x will use suffix %s\n",
1282 acb_mask, suffix));
1283
1284 attr_list = get_userattr_list(NULL, ldap_state->schema_ver);
1285 rc = smbldap_search(ldap_state->smbldap_state, suffix, LDAP_SCOPE_SUBTREE, filter,
1286 attr_list, 0, &ldap_state->result);
1287 TALLOC_FREE( attr_list );
1288
1289 if (rc != LDAP_SUCCESS) {
1290 DEBUG(0, ("ldapsam_setsampwent: LDAP search failed: %s\n", ldap_err2string(rc)));
1291 DEBUG(3, ("ldapsam_setsampwent: Query was: %s, %s\n", suffix, filter));
1292 ldap_msgfree(ldap_state->result);
1293 ldap_state->result = NULL;
1294 return NT_STATUS_UNSUCCESSFUL;
1295 }
1296
1297 DEBUG(2, ("ldapsam_setsampwent: %d entries in the base %s\n",
1298 ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
1299 ldap_state->result), suffix));
1300
1301 ldap_state->entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
1302 ldap_state->result);
1303 ldap_state->index = 0;
1304
1305 return NT_STATUS_OK;
1306 }
1307
1308 /**********************************************************************
1309 End enumeration of the LDAP password list.
1310 *********************************************************************/
1311
1312 static void ldapsam_endsampwent(struct pdb_methods *my_methods)
1313 {
1314 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1315 if (ldap_state->result) {
1316 ldap_msgfree(ldap_state->result);
1317 ldap_state->result = NULL;
1318 }
1319 }
1320
1321 /**********************************************************************
1322 Get the next entry in the LDAP password database.
1323 *********************************************************************/
1324
1325 static NTSTATUS ldapsam_getsampwent(struct pdb_methods *my_methods,
1326 struct samu *user)
1327 {
1328 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
1329 struct ldapsam_privates *ldap_state =
1330 (struct ldapsam_privates *)my_methods->private_data;
1331 BOOL bret = False;
1332
1333 while (!bret) {
1334 if (!ldap_state->entry)
1335 return ret;
1336
1337 ldap_state->index++;
1338 bret = init_sam_from_ldap(ldap_state, user, ldap_state->entry);
1339
1340 ldap_state->entry = ldap_next_entry(priv2ld(ldap_state),
1341 ldap_state->entry);
1342 }
1343
1344 return NT_STATUS_OK;
1345 }
1346
1347 static void append_attr(TALLOC_CTX *mem_ctx, const char ***attr_list,
1348 const char *new_attr)
1349 {
1350 int i;
1351
1352 if (new_attr == NULL) {
1353 return;
1354 }
1355
1356 for (i=0; (*attr_list)[i] != NULL; i++) {
1357 ;
1358 }
1359
1360 (*attr_list) = TALLOC_REALLOC_ARRAY(mem_ctx, (*attr_list),
1361 const char *, i+2);
1362 SMB_ASSERT((*attr_list) != NULL);
1363 (*attr_list)[i] = talloc_strdup((*attr_list), new_attr);
1364 (*attr_list)[i+1] = NULL;
1365 }
1366
1367 /**********************************************************************
1368 Get struct samu entry from LDAP by username.
1369 *********************************************************************/
1370
1371 static NTSTATUS ldapsam_getsampwnam(struct pdb_methods *my_methods, struct samu *user, const char *sname)
1372 {
1373 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
1374 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1375 LDAPMessage *result = NULL;
1376 LDAPMessage *entry = NULL;
1377 int count;
1378 const char ** attr_list;
1379 int rc;
1380
1381 attr_list = get_userattr_list( user, ldap_state->schema_ver );
1382 append_attr(user, &attr_list,
1383 get_userattr_key2string(ldap_state->schema_ver,
1384 LDAP_ATTR_MOD_TIMESTAMP));
1385 append_attr(user, &attr_list, "uidNumber");
1386 rc = ldapsam_search_suffix_by_name(ldap_state, sname, &result,
1387 attr_list);
1388 TALLOC_FREE( attr_list );
1389
1390 if ( rc != LDAP_SUCCESS )
1391 return NT_STATUS_NO_SUCH_USER;
1392
1393 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
1394
1395 if (count < 1) {
1396 DEBUG(4, ("ldapsam_getsampwnam: Unable to locate user [%s] count=%d\n", sname, count));
1397 ldap_msgfree(result);
1398 return NT_STATUS_NO_SUCH_USER;
1399 } else if (count > 1) {
1400 DEBUG(1, ("ldapsam_getsampwnam: Duplicate entries for this user [%s] Failing. count=%d\n", sname, count));
1401 ldap_msgfree(result);
1402 return NT_STATUS_NO_SUCH_USER;
1403 }
1404
1405 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
1406 if (entry) {
1407 if (!init_sam_from_ldap(ldap_state, user, entry)) {
1408 DEBUG(1,("ldapsam_getsampwnam: init_sam_from_ldap failed for user '%s'!\n", sname));
1409 ldap_msgfree(result);
1410 return NT_STATUS_NO_SUCH_USER;
1411 }
1412 pdb_set_backend_private_data(user, result, NULL,
1413 my_methods, PDB_CHANGED);
1414 talloc_autofree_ldapmsg(user, result);
1415 ret = NT_STATUS_OK;
1416 } else {
1417 ldap_msgfree(result);
1418 }
1419 return ret;
1420 }
1421
1422 static int ldapsam_get_ldap_user_by_sid(struct ldapsam_privates *ldap_state,
1423 const DOM_SID *sid, LDAPMessage **result)
1424 {
1425 int rc = -1;
1426 const char ** attr_list;
1427 uint32 rid;
1428
1429 switch ( ldap_state->schema_ver ) {
1430 case SCHEMAVER_SAMBASAMACCOUNT: {
1431 TALLOC_CTX *tmp_ctx = talloc_new(NULL);
1432 if (tmp_ctx == NULL) {
1433 return LDAP_NO_MEMORY;
1434 }
1435
1436 attr_list = get_userattr_list(tmp_ctx,
1437 ldap_state->schema_ver);
1438 append_attr(tmp_ctx, &attr_list,
1439 get_userattr_key2string(
1440 ldap_state->schema_ver,
1441 LDAP_ATTR_MOD_TIMESTAMP));
1442 append_attr(tmp_ctx, &attr_list, "uidNumber");
1443 rc = ldapsam_search_suffix_by_sid(ldap_state, sid,
1444 result, attr_list);
1445 TALLOC_FREE(tmp_ctx);
1446
1447 if ( rc != LDAP_SUCCESS )
1448 return rc;
1449 break;
1450 }
1451
1452 case SCHEMAVER_SAMBAACCOUNT:
1453 if (!sid_peek_check_rid(&ldap_state->domain_sid, sid, &rid)) {
1454 return rc;
1455 }
1456
1457 attr_list = get_userattr_list(NULL,
1458 ldap_state->schema_ver);
1459 rc = ldapsam_search_suffix_by_rid(ldap_state, rid, result, attr_list );
1460 TALLOC_FREE( attr_list );
1461
1462 if ( rc != LDAP_SUCCESS )
1463 return rc;
1464 break;
1465 }
1466 return rc;
1467 }
1468
1469 /**********************************************************************
1470 Get struct samu entry from LDAP by SID.
1471 *********************************************************************/
1472
1473 static NTSTATUS ldapsam_getsampwsid(struct pdb_methods *my_methods, struct samu * user, const DOM_SID *sid)
1474 {
1475 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1476 LDAPMessage *result = NULL;
1477 LDAPMessage *entry = NULL;
1478 int count;
1479 int rc;
1480 fstring sid_string;
1481
1482 rc = ldapsam_get_ldap_user_by_sid(ldap_state,
1483 sid, &result);
1484 if (rc != LDAP_SUCCESS)
1485 return NT_STATUS_NO_SUCH_USER;
1486
1487 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
1488
1489 if (count < 1) {
1490 DEBUG(4, ("ldapsam_getsampwsid: Unable to locate SID [%s] count=%d\n", sid_to_string(sid_string, sid),
1491 count));
1492 ldap_msgfree(result);
1493 return NT_STATUS_NO_SUCH_USER;
1494 } else if (count > 1) {
1495 DEBUG(1, ("ldapsam_getsampwsid: More than one user with SID [%s]. Failing. count=%d\n", sid_to_string(sid_string, sid),
1496 count));
1497 ldap_msgfree(result);
1498 return NT_STATUS_NO_SUCH_USER;
1499 }
1500
1501 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
1502 if (!entry) {
1503 ldap_msgfree(result);
1504 return NT_STATUS_NO_SUCH_USER;
1505 }
1506
1507 if (!init_sam_from_ldap(ldap_state, user, entry)) {
1508 DEBUG(1,("ldapsam_getsampwsid: init_sam_from_ldap failed!\n"));
1509 ldap_msgfree(result);
1510 return NT_STATUS_NO_SUCH_USER;
1511 }
1512
1513 pdb_set_backend_private_data(user, result, NULL,
1514 my_methods, PDB_CHANGED);
1515 talloc_autofree_ldapmsg(user, result);
1516 return NT_STATUS_OK;
1517 }
1518
1519 /********************************************************************
1520 Do the actual modification - also change a plaintext passord if
1521 it it set.
1522 **********************************************************************/
1523
1524 static NTSTATUS ldapsam_modify_entry(struct pdb_methods *my_methods,
1525 struct samu *newpwd, char *dn,
1526 LDAPMod **mods, int ldap_op,
1527 BOOL (*need_update)(const struct samu *, enum pdb_elements))
1528 {
1529 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1530 int rc;
1531
1532 if (!newpwd || !dn) {
1533 return NT_STATUS_INVALID_PARAMETER;
1534 }
1535
1536 if (!mods) {
1537 DEBUG(5,("ldapsam_modify_entry: mods is empty: nothing to modify\n"));
1538 /* may be password change below however */
1539 } else {
1540 switch(ldap_op) {
1541 case LDAP_MOD_ADD:
1542 if (ldap_state->is_nds_ldap) {
1543 smbldap_set_mod(&mods, LDAP_MOD_ADD,
1544 "objectclass",
1545 "inetOrgPerson");
1546 } else {
1547 smbldap_set_mod(&mods, LDAP_MOD_ADD,
1548 "objectclass",
1549 LDAP_OBJ_ACCOUNT);
1550 }
1551 rc = smbldap_add(ldap_state->smbldap_state,
1552 dn, mods);
1553 break;
1554 case LDAP_MOD_REPLACE:
1555 rc = smbldap_modify(ldap_state->smbldap_state,
1556 dn ,mods);
1557 break;
1558 default:
1559 DEBUG(0,("ldapsam_modify_entry: Wrong LDAP operation type: %d!\n",
1560 ldap_op));
1561 return NT_STATUS_INVALID_PARAMETER;
1562 }
1563
1564 if (rc!=LDAP_SUCCESS) {
1565 return NT_STATUS_UNSUCCESSFUL;
1566 }
1567 }
1568
1569 if (!(pdb_get_acct_ctrl(newpwd)&(ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST)) &&
1570 (lp_ldap_passwd_sync() != LDAP_PASSWD_SYNC_OFF) &&
1571 need_update(newpwd, PDB_PLAINTEXT_PW) &&
1572 (pdb_get_plaintext_passwd(newpwd)!=NULL)) {
1573 BerElement *ber;
1574 struct berval *bv;
1575 char *retoid = NULL;
1576 struct berval *retdata = NULL;
1577 char *utf8_password;
1578 char *utf8_dn;
1579
1580 if (!ldap_state->is_nds_ldap) {
1581
1582 if (!smbldap_has_extension(ldap_state->smbldap_state->ldap_struct,
1583 LDAP_EXOP_MODIFY_PASSWD)) {
1584 DEBUG(2, ("ldap password change requested, but LDAP "
1585 "server does not support it -- ignoring\n"));
1586 return NT_STATUS_OK;
1587 }
1588 }
1589
1590 if (push_utf8_allocate(&utf8_password, pdb_get_plaintext_passwd(newpwd)) == (size_t)-1) {
1591 return NT_STATUS_NO_MEMORY;
1592 }
1593
1594 if (push_utf8_allocate(&utf8_dn, dn) == (size_t)-1) {
1595 return NT_STATUS_NO_MEMORY;
1596 }
1597
1598 if ((ber = ber_alloc_t(LBER_USE_DER))==NULL) {
1599 DEBUG(0,("ber_alloc_t returns NULL\n"));
1600 SAFE_FREE(utf8_password);
1601 return NT_STATUS_UNSUCCESSFUL;
1602 }
1603
1604 ber_printf (ber, "{");
1605 ber_printf (ber, "ts", LDAP_TAG_EXOP_MODIFY_PASSWD_ID, utf8_dn);
1606 ber_printf (ber, "ts", LDAP_TAG_EXOP_MODIFY_PASSWD_NEW, utf8_password);
1607 ber_printf (ber, "N}");
1608
1609 if ((rc = ber_flatten (ber, &bv))<0) {
1610 DEBUG(0,("ldapsam_modify_entry: ber_flatten returns a value <0\n"));
1611 ber_free(ber,1);
1612 SAFE_FREE(utf8_dn);
1613 SAFE_FREE(utf8_password);
1614 return NT_STATUS_UNSUCCESSFUL;
1615 }
1616
1617 SAFE_FREE(utf8_dn);
1618 SAFE_FREE(utf8_password);
1619 ber_free(ber, 1);
1620
1621 if (!ldap_state->is_nds_ldap) {
1622 rc = smbldap_extended_operation(ldap_state->smbldap_state,
1623 LDAP_EXOP_MODIFY_PASSWD,
1624 bv, NULL, NULL, &retoid,
1625 &retdata);
1626 } else {
1627 rc = pdb_nds_set_password(ldap_state->smbldap_state, dn,
1628 pdb_get_plaintext_passwd(newpwd));
1629 }
1630 if (rc != LDAP_SUCCESS) {
1631 char *ld_error = NULL;
1632
1633 if (rc == LDAP_OBJECT_CLASS_VIOLATION) {
1634 DEBUG(3, ("Could not set userPassword "
1635 "attribute due to an objectClass "
1636 "violation -- ignoring\n"));
1637 ber_bvfree(bv);
1638 return NT_STATUS_OK;
1639 }
1640
1641 ldap_get_option(ldap_state->smbldap_state->ldap_struct, LDAP_OPT_ERROR_STRING,
1642 &ld_error);
1643 DEBUG(0,("ldapsam_modify_entry: LDAP Password could not be changed for user %s: %s\n\t%s\n",
1644 pdb_get_username(newpwd), ldap_err2string(rc), ld_error?ld_error:"unknown"));
1645 SAFE_FREE(ld_error);
1646 ber_bvfree(bv);
1647 return NT_STATUS_UNSUCCESSFUL;
1648 } else {
1649 DEBUG(3,("ldapsam_modify_entry: LDAP Password changed for user %s\n",pdb_get_username(newpwd)));
1650 #ifdef DEBUG_PASSWORD
1651 DEBUG(100,("ldapsam_modify_entry: LDAP Password changed to %s\n",pdb_get_plaintext_passwd(newpwd)));
1652 #endif
1653 if (retdata)
1654 ber_bvfree(retdata);
1655 if (retoid)
1656 ldap_memfree(retoid);
1657 }
1658 ber_bvfree(bv);
1659 }
1660 return NT_STATUS_OK;
1661 }
1662
1663 /**********************************************************************
1664 Delete entry from LDAP for username.
1665 *********************************************************************/
1666
1667 static NTSTATUS ldapsam_delete_sam_account(struct pdb_methods *my_methods,
1668 struct samu * sam_acct)
1669 {
1670 struct ldapsam_privates *priv =
1671 (struct ldapsam_privates *)my_methods->private_data;
1672 const char *sname;
1673 int rc;
1674 LDAPMessage *msg, *entry;
1675 NTSTATUS result = NT_STATUS_NO_MEMORY;
1676 const char **attr_list;
1677 TALLOC_CTX *mem_ctx;
1678
1679 if (!sam_acct) {
1680 DEBUG(0, ("ldapsam_delete_sam_account: sam_acct was NULL!\n"));
1681 return NT_STATUS_INVALID_PARAMETER;
1682 }
1683
1684 sname = pdb_get_username(sam_acct);
1685
1686 DEBUG(3, ("ldapsam_delete_sam_account: Deleting user %s from "
1687 "LDAP.\n", sname));
1688
1689 mem_ctx = talloc_new(NULL);
1690 if (mem_ctx == NULL) {
1691 DEBUG(0, ("talloc_new failed\n"));
1692 goto done;
1693 }
1694
1695 attr_list = get_userattr_delete_list(mem_ctx, priv->schema_ver );
1696 if (attr_list == NULL) {
1697 goto done;
1698 }
1699
1700 rc = ldapsam_search_suffix_by_name(priv, sname, &msg, attr_list);
1701
1702 if ((rc != LDAP_SUCCESS) ||
1703 (ldap_count_entries(priv2ld(priv), msg) != 1) ||
1704 ((entry = ldap_first_entry(priv2ld(priv), msg)) == NULL)) {
1705 DEBUG(5, ("Could not find user %s\n", sname));
1706 result = NT_STATUS_NO_SUCH_USER;
1707 goto done;
1708 }
1709
1710 rc = ldapsam_delete_entry(
1711 priv, mem_ctx, entry,
1712 priv->schema_ver == SCHEMAVER_SAMBASAMACCOUNT ?
1713 LDAP_OBJ_SAMBASAMACCOUNT : LDAP_OBJ_SAMBAACCOUNT,
1714 attr_list);
1715
1716 result = (rc == LDAP_SUCCESS) ?
1717 NT_STATUS_OK : NT_STATUS_ACCESS_DENIED;
1718
1719 done:
1720 TALLOC_FREE(mem_ctx);
1721 return result;
1722 }
1723
1724 /**********************************************************************
1725 Helper function to determine for update_sam_account whether
1726 we need LDAP modification.
1727 *********************************************************************/
1728
1729 static BOOL element_is_changed(const struct samu *sampass,
1730 enum pdb_elements element)
1731 {
1732 return IS_SAM_CHANGED(sampass, element);
1733 }
1734
1735 /**********************************************************************
1736 Update struct samu.
1737 *********************************************************************/
1738
1739 static NTSTATUS ldapsam_update_sam_account(struct pdb_methods *my_methods, struct samu * newpwd)
1740 {
1741 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
1742 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1743 int rc = 0;
1744 char *dn;
1745 LDAPMessage *result = NULL;
1746 LDAPMessage *entry = NULL;
1747 LDAPMod **mods = NULL;
1748 const char **attr_list;
1749
1750 result = pdb_get_backend_private_data(newpwd, my_methods);
1751 if (!result) {
1752 attr_list = get_userattr_list(NULL, ldap_state->schema_ver);
1753 if (pdb_get_username(newpwd) == NULL) {
1754 return NT_STATUS_INVALID_PARAMETER;
1755 }
1756 rc = ldapsam_search_suffix_by_name(ldap_state, pdb_get_username(newpwd), &result, attr_list );
1757 TALLOC_FREE( attr_list );
1758 if (rc != LDAP_SUCCESS) {
1759 return NT_STATUS_UNSUCCESSFUL;
1760 }
1761 pdb_set_backend_private_data(newpwd, result, NULL,
1762 my_methods, PDB_CHANGED);
1763 talloc_autofree_ldapmsg(newpwd, result);
1764 }
1765
1766 if (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result) == 0) {
1767 DEBUG(0, ("ldapsam_update_sam_account: No user to modify!\n"));
1768 return NT_STATUS_UNSUCCESSFUL;
1769 }
1770
1771 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
1772 dn = smbldap_get_dn(ldap_state->smbldap_state->ldap_struct, entry);
1773 if (!dn) {
1774 return NT_STATUS_UNSUCCESSFUL;
1775 }
1776
1777 DEBUG(4, ("ldapsam_update_sam_account: user %s to be modified has dn: %s\n", pdb_get_username(newpwd), dn));
1778
1779 if (!init_ldap_from_sam(ldap_state, entry, &mods, newpwd,
1780 element_is_changed)) {
1781 DEBUG(0, ("ldapsam_update_sam_account: init_ldap_from_sam failed!\n"));
1782 SAFE_FREE(dn);
1783 if (mods != NULL)
1784 ldap_mods_free(mods,True);
1785 return NT_STATUS_UNSUCCESSFUL;
1786 }
1787
1788 if (mods == NULL) {
1789 DEBUG(4,("ldapsam_update_sam_account: mods is empty: nothing to update for user: %s\n",
1790 pdb_get_username(newpwd)));
1791 SAFE_FREE(dn);
1792 return NT_STATUS_OK;
1793 }
1794
1795 ret = ldapsam_modify_entry(my_methods,newpwd,dn,mods,LDAP_MOD_REPLACE, element_is_changed);
1796 ldap_mods_free(mods,True);
1797 SAFE_FREE(dn);
1798
1799 /*
1800 * We need to set the backend private data to NULL here. For example
1801 * setuserinfo level 25 does a pdb_update_sam_account twice on the
1802 * same one, and with the explicit delete / add logic for attribute
1803 * values the second time we would use the wrong "old" value which
1804 * does not exist in LDAP anymore. Thus the LDAP server would refuse
1805 * the update.
1806 * The existing LDAPMessage is still being auto-freed by the
1807 * destructor.
1808 */
1809 pdb_set_backend_private_data(newpwd, NULL, NULL, my_methods,
1810 PDB_CHANGED);
1811
1812 if (!NT_STATUS_IS_OK(ret)) {
1813 return ret;
1814 }
1815
1816 DEBUG(2, ("ldapsam_update_sam_account: successfully modified uid = %s in the LDAP database\n",
1817 pdb_get_username(newpwd)));
1818 return NT_STATUS_OK;
1819 }
1820
1821 /***************************************************************************
1822 Renames a struct samu
1823 - The "rename user script" has full responsibility for changing everything
1824 ***************************************************************************/
1825
1826 static NTSTATUS ldapsam_rename_sam_account(struct pdb_methods *my_methods,
1827 struct samu *old_acct,
1828 const char *newname)
1829 {
1830 const char *oldname;
1831 int rc;
1832 pstring rename_script;
1833 fstring oldname_lower, newname_lower;
1834
1835 if (!old_acct) {
1836 DEBUG(0, ("ldapsam_rename_sam_account: old_acct was NULL!\n"));
1837 return NT_STATUS_INVALID_PARAMETER;
1838 }
1839 if (!newname) {
1840 DEBUG(0, ("ldapsam_rename_sam_account: newname was NULL!\n"));
1841 return NT_STATUS_INVALID_PARAMETER;
1842 }
1843
1844 oldname = pdb_get_username(old_acct);
1845
1846 /* rename the posix user */
1847 pstrcpy(rename_script, lp_renameuser_script());
1848
1849 if (!(*rename_script))
1850 return NT_STATUS_ACCESS_DENIED;
1851
1852 DEBUG (3, ("ldapsam_rename_sam_account: Renaming user %s to %s.\n",
1853 oldname, newname));
1854
1855 /* We have to allow the account name to end with a '$'.
1856 Also, follow the semantics in _samr_create_user() and lower case the
1857 posix name but preserve the case in passdb */
1858
1859 fstrcpy( oldname_lower, oldname );
1860 strlower_m( oldname_lower );
1861 fstrcpy( newname_lower, newname );
1862 strlower_m( newname_lower );
1863 string_sub2(rename_script, "%unew", newname_lower, sizeof(pstring),
1864 True, False, True);
1865 string_sub2(rename_script, "%uold", oldname_lower, sizeof(pstring),
1866 True, False, True);
1867 rc = smbrun(rename_script, NULL);
1868
1869 DEBUG(rc ? 0 : 3,("Running the command `%s' gave %d\n",
1870 rename_script, rc));
1871
1872 if (rc == 0) {
1873 smb_nscd_flush_user_cache();
1874 }
1875
1876 if (rc)
1877 return NT_STATUS_UNSUCCESSFUL;
1878
1879 return NT_STATUS_OK;
1880 }
1881
1882 /**********************************************************************
1883 Helper function to determine for update_sam_account whether
1884 we need LDAP modification.
1885 *********************************************************************/
1886
1887 static BOOL element_is_set_or_changed(const struct samu *sampass,
1888 enum pdb_elements element)
1889 {
1890 return (IS_SAM_SET(sampass, element) ||
1891 IS_SAM_CHANGED(sampass, element));
1892 }
1893
1894 /**********************************************************************
1895 Add struct samu to LDAP.
1896 *********************************************************************/
1897
1898 static NTSTATUS ldapsam_add_sam_account(struct pdb_methods *my_methods, struct samu * newpwd)
1899 {
1900 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
1901 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1902 int rc;
1903 LDAPMessage *result = NULL;
1904 LDAPMessage *entry = NULL;
1905 pstring dn;
1906 LDAPMod **mods = NULL;
1907 int ldap_op = LDAP_MOD_REPLACE;
1908 uint32 num_result;
1909 const char **attr_list;
1910 char *escape_user;
1911 const char *username = pdb_get_username(newpwd);
1912 const DOM_SID *sid = pdb_get_user_sid(newpwd);
1913 pstring filter;
1914 fstring sid_string;
1915
1916 if (!username || !*username) {
1917 DEBUG(0, ("ldapsam_add_sam_account: Cannot add user without a username!\n"));
1918 return NT_STATUS_INVALID_PARAMETER;
1919 }
1920
1921 /* free this list after the second search or in case we exit on failure */
1922 attr_list = get_userattr_list(NULL, ldap_state->schema_ver);
1923
1924 rc = ldapsam_search_suffix_by_name (ldap_state, username, &result, attr_list);
1925
1926 if (rc != LDAP_SUCCESS) {
1927 TALLOC_FREE( attr_list );
1928 return NT_STATUS_UNSUCCESSFUL;
1929 }
1930
1931 if (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result) != 0) {
1932 DEBUG(0,("ldapsam_add_sam_account: User '%s' already in the base, with samba attributes\n",
1933 username));
1934 ldap_msgfree(result);
1935 TALLOC_FREE( attr_list );
1936 return NT_STATUS_UNSUCCESSFUL;
1937 }
1938 ldap_msgfree(result);
1939 result = NULL;
1940
1941 if (element_is_set_or_changed(newpwd, PDB_USERSID)) {
1942 rc = ldapsam_get_ldap_user_by_sid(ldap_state,
1943 sid, &result);
1944 if (rc == LDAP_SUCCESS) {
1945 if (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result) != 0) {
1946 DEBUG(0,("ldapsam_add_sam_account: SID '%s' already in the base, with samba attributes\n",
1947 sid_to_string(sid_string, sid)));
1948 TALLOC_FREE( attr_list );
1949 ldap_msgfree(result);
1950 return NT_STATUS_UNSUCCESSFUL;
1951 }
1952 ldap_msgfree(result);
1953 }
1954 }
1955
1956 /* does the entry already exist but without a samba attributes?
1957 we need to return the samba attributes here */
1958
1959 escape_user = escape_ldap_string_alloc( username );
1960 pstrcpy( filter, "(uid=%u)" );
1961 all_string_sub( filter, "%u", escape_user, sizeof(filter) );
1962 SAFE_FREE( escape_user );
1963
1964 rc = smbldap_search_suffix(ldap_state->smbldap_state,
1965 filter, attr_list, &result);
1966 if ( rc != LDAP_SUCCESS ) {
1967 TALLOC_FREE( attr_list );
1968 return NT_STATUS_UNSUCCESSFUL;
1969 }
1970
1971 num_result = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
1972
1973 if (num_result > 1) {
1974 DEBUG (0, ("ldapsam_add_sam_account: More than one user with that uid exists: bailing out!\n"));
1975 TALLOC_FREE( attr_list );
1976 ldap_msgfree(result);
1977 return NT_STATUS_UNSUCCESSFUL;
1978 }
1979
1980 /* Check if we need to update an existing entry */
1981 if (num_result == 1) {
1982 char *tmp;
1983
1984 DEBUG(3,("ldapsam_add_sam_account: User exists without samba attributes: adding them\n"));
1985 ldap_op = LDAP_MOD_REPLACE;
1986 entry = ldap_first_entry (ldap_state->smbldap_state->ldap_struct, result);
1987 tmp = smbldap_get_dn (ldap_state->smbldap_state->ldap_struct, entry);
1988 if (!tmp) {
1989 TALLOC_FREE( attr_list );
1990 ldap_msgfree(result);
1991 return NT_STATUS_UNSUCCESSFUL;
1992 }
1993 slprintf (dn, sizeof (dn) - 1, "%s", tmp);
1994 SAFE_FREE(tmp);
1995
1996 } else if (ldap_state->schema_ver == SCHEMAVER_SAMBASAMACCOUNT) {
1997
1998 /* There might be a SID for this account already - say an idmap entry */
1999
2000 pstr_sprintf(filter, "(&(%s=%s)(|(objectClass=%s)(objectClass=%s)))",
2001 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_SID),
2002 sid_to_string(sid_string, sid),
2003 LDAP_OBJ_IDMAP_ENTRY,
2004 LDAP_OBJ_SID_ENTRY);
2005
2006 /* free old result before doing a new search */
2007 if (result != NULL) {
2008 ldap_msgfree(result);
2009 result = NULL;
2010 }
2011 rc = smbldap_search_suffix(ldap_state->smbldap_state,
2012 filter, attr_list, &result);
2013
2014 if ( rc != LDAP_SUCCESS ) {
2015 TALLOC_FREE( attr_list );
2016 return NT_STATUS_UNSUCCESSFUL;
2017 }
2018
2019 num_result = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
2020
2021 if (num_result > 1) {
2022 DEBUG (0, ("ldapsam_add_sam_account: More than one user with specified Sid exists: bailing out!\n"));
2023 TALLOC_FREE( attr_list );
2024 ldap_msgfree(result);
2025 return NT_STATUS_UNSUCCESSFUL;
2026 }
2027
2028 /* Check if we need to update an existing entry */
2029 if (num_result == 1) {
2030 char *tmp;
2031
2032 DEBUG(3,("ldapsam_add_sam_account: User exists without samba attributes: adding them\n"));
2033 ldap_op = LDAP_MOD_REPLACE;
2034 entry = ldap_first_entry (ldap_state->smbldap_state->ldap_struct, result);
2035 tmp = smbldap_get_dn (ldap_state->smbldap_state->ldap_struct, entry);
2036 if (!tmp) {
2037 TALLOC_FREE( attr_list );
2038 ldap_msgfree(result);
2039 return NT_STATUS_UNSUCCESSFUL;
2040 }
2041 slprintf (dn, sizeof (dn) - 1, "%s", tmp);
2042 SAFE_FREE(tmp);
2043 }
2044 }
2045
2046 TALLOC_FREE( attr_list );
2047
2048 if (num_result == 0) {
2049 /* Check if we need to add an entry */
2050 DEBUG(3,("ldapsam_add_sam_account: Adding new user\n"));
2051 ldap_op = LDAP_MOD_ADD;
2052 if (username[strlen(username)-1] == '$') {
2053 slprintf (dn, sizeof (dn) - 1, "uid=%s,%s", username, lp_ldap_machine_suffix ());
2054 } else {
2055 slprintf (dn, sizeof (dn) - 1, "uid=%s,%s", username, lp_ldap_user_suffix ());
2056 }
2057 }
2058
2059 if (!init_ldap_from_sam(ldap_state, entry, &mods, newpwd,
2060 element_is_set_or_changed)) {
2061 DEBUG(0, ("ldapsam_add_sam_account: init_ldap_from_sam failed!\n"));
2062 ldap_msgfree(result);
2063 if (mods != NULL)
2064 ldap_mods_free(mods,True);
2065 return NT_STATUS_UNSUCCESSFUL;
2066 }
2067
2068 ldap_msgfree(result);
2069
2070 if (mods == NULL) {
2071 DEBUG(0,("ldapsam_add_sam_account: mods is empty: nothing to add for user: %s\n",pdb_get_username(newpwd)));
2072 return NT_STATUS_UNSUCCESSFUL;
2073 }
2074 switch ( ldap_state->schema_ver ) {
2075 case SCHEMAVER_SAMBAACCOUNT:
2076 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_SAMBAACCOUNT);
2077 break;
2078 case SCHEMAVER_SAMBASAMACCOUNT:
2079 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_SAMBASAMACCOUNT);
2080 break;
2081 default:
2082 DEBUG(0,("ldapsam_add_sam_account: invalid schema version specified\n"));
2083 break;
2084 }
2085
2086 ret = ldapsam_modify_entry(my_methods,newpwd,dn,mods,ldap_op, element_is_set_or_changed);
2087 if (!NT_STATUS_IS_OK(ret)) {
2088 DEBUG(0,("ldapsam_add_sam_account: failed to modify/add user with uid = %s (dn = %s)\n",
2089 pdb_get_username(newpwd),dn));
2090 ldap_mods_free(mods, True);
2091 return ret;
2092 }
2093
2094 DEBUG(2,("ldapsam_add_sam_account: added: uid == %s in the LDAP database\n", pdb_get_username(newpwd)));
2095 ldap_mods_free(mods, True);
2096
2097 return NT_STATUS_OK;
2098 }
2099
2100 /**********************************************************************
2101 *********************************************************************/
2102
2103 static int ldapsam_search_one_group (struct ldapsam_privates *ldap_state,
2104 const char *filter,
2105 LDAPMessage ** result)
2106 {
2107 int scope = LDAP_SCOPE_SUBTREE;
2108 int rc;
2109 const char **attr_list;
2110
2111 attr_list = get_attr_list(NULL, groupmap_attr_list);
2112 rc = smbldap_search(ldap_state->smbldap_state,
2113 lp_ldap_group_suffix (), scope,
2114 filter, attr_list, 0, result);
2115 TALLOC_FREE(attr_list);
2116
2117 return rc;
2118 }
2119
2120 /**********************************************************************
2121 *********************************************************************/
2122
2123 static BOOL init_group_from_ldap(struct ldapsam_privates *ldap_state,
2124 GROUP_MAP *map, LDAPMessage *entry)
2125 {
2126 pstring temp;
2127
2128 if (ldap_state == NULL || map == NULL || entry == NULL ||
2129 ldap_state->smbldap_state->ldap_struct == NULL) {
2130 DEBUG(0, ("init_group_from_ldap: NULL parameters found!\n"));
2131 return False;
2132 }
2133
2134 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
2135 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_GIDNUMBER), temp)) {
2136 DEBUG(0, ("init_group_from_ldap: Mandatory attribute %s not found\n",
2137 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GIDNUMBER)));
2138 return False;
2139 }
2140 DEBUG(2, ("init_group_from_ldap: Entry found for group: %s\n", temp));
2141
2142 map->gid = (gid_t)atol(temp);
2143
2144 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
2145 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GROUP_SID), temp)) {
2146 DEBUG(0, ("init_group_from_ldap: Mandatory attribute %s not found\n",
2147 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GROUP_SID)));
2148 return False;
2149 }
2150
2151 if (!string_to_sid(&map->sid, temp)) {
2152 DEBUG(1, ("SID string [%s] could not be read as a valid SID\n", temp));
2153 return False;
2154 }
2155
2156 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
2157 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GROUP_TYPE), temp)) {
2158 DEBUG(0, ("init_group_from_ldap: Mandatory attribute %s not found\n",
2159 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GROUP_TYPE)));
2160 return False;
2161 }
2162 map->sid_name_use = (enum SID_NAME_USE)atol(temp);
2163
2164 if ((map->sid_name_use < SID_NAME_USER) ||
2165 (map->sid_name_use > SID_NAME_UNKNOWN)) {
2166 DEBUG(0, ("init_group_from_ldap: Unknown Group type: %d\n", map->sid_name_use));
2167 return False;
2168 }
2169
2170 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
2171 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_DISPLAY_NAME), temp)) {
2172 temp[0] = '\0';
2173 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
2174 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_CN), temp))
2175 {
2176 DEBUG(0, ("init_group_from_ldap: Attributes cn not found either \
2177 for gidNumber(%lu)\n",(unsigned long)map->gid));
2178 return False;
2179 }
2180 }
2181 fstrcpy(map->nt_name, temp);
2182
2183 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
2184 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_DESC), temp)) {
2185 temp[0] = '\0';
2186 }
2187 fstrcpy(map->comment, temp);
2188
2189 if (lp_parm_bool(-1, "ldapsam", "trusted", False)) {
2190 store_gid_sid_cache(&map->sid, map->gid);
2191 }
2192
2193 return True;
2194 }
2195
2196 /**********************************************************************
2197 *********************************************************************/
2198
2199 static NTSTATUS ldapsam_getgroup(struct pdb_methods *methods,
2200 const char *filter,
2201 GROUP_MAP *map)
2202 {
2203 struct ldapsam_privates *ldap_state =
2204 (struct ldapsam_privates *)methods->private_data;
2205 LDAPMessage *result = NULL;
2206 LDAPMessage *entry = NULL;
2207 int count;
2208
2209 if (ldapsam_search_one_group(ldap_state, filter, &result)
2210 != LDAP_SUCCESS) {
2211 return NT_STATUS_NO_SUCH_GROUP;
2212 }
2213
2214 count = ldap_count_entries(priv2ld(ldap_state), result);
2215
2216 if (count < 1) {
2217 DEBUG(4, ("ldapsam_getgroup: Did not find group\n"));
2218 ldap_msgfree(result);
2219 return NT_STATUS_NO_SUCH_GROUP;
2220 }
2221
2222 if (count > 1) {
2223 DEBUG(1, ("ldapsam_getgroup: Duplicate entries for filter %s: "
2224 "count=%d\n", filter, count));
2225 ldap_msgfree(result);
2226 return NT_STATUS_NO_SUCH_GROUP;
2227 }
2228
2229 entry = ldap_first_entry(priv2ld(ldap_state), result);
2230
2231 if (!entry) {
2232 ldap_msgfree(result);
2233 return NT_STATUS_UNSUCCESSFUL;
2234 }
2235
2236 if (!init_group_from_ldap(ldap_state, map, entry)) {
2237 DEBUG(1, ("ldapsam_getgroup: init_group_from_ldap failed for "
2238 "group filter %s\n", filter));
2239 ldap_msgfree(result);
2240 return NT_STATUS_NO_SUCH_GROUP;
2241 }
2242
2243 ldap_msgfree(result);
2244 return NT_STATUS_OK;
2245 }
2246
2247 /**********************************************************************
2248 *********************************************************************/
2249
2250 static NTSTATUS ldapsam_getgrsid(struct pdb_methods *methods, GROUP_MAP *map,
2251 DOM_SID sid)
2252 {
2253 pstring filter;
2254
2255 pstr_sprintf(filter, "(&(objectClass=%s)(%s=%s))",
2256 LDAP_OBJ_GROUPMAP,
2257 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_GROUP_SID),
2258 sid_string_static(&sid));
2259
2260 return ldapsam_getgroup(methods, filter, map);
2261 }
2262
2263 /**********************************************************************
2264 *********************************************************************/
2265
2266 static NTSTATUS ldapsam_getgrgid(struct pdb_methods *methods, GROUP_MAP *map,
2267 gid_t gid)
2268 {
2269 pstring filter;
2270
2271 pstr_sprintf(filter, "(&(objectClass=%s)(%s=%lu))",
2272 LDAP_OBJ_GROUPMAP,
2273 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_GIDNUMBER),
2274 (unsigned long)gid);
2275
2276 return ldapsam_getgroup(methods, filter, map);
2277 }
2278
2279 /**********************************************************************
2280 *********************************************************************/
2281
2282 static NTSTATUS ldapsam_getgrnam(struct pdb_methods *methods, GROUP_MAP *map,
2283 const char *name)
2284 {
2285 pstring filter;
2286 char *escape_name = escape_ldap_string_alloc(name);
2287
2288 if (!escape_name) {
2289 return NT_STATUS_NO_MEMORY;
2290 }
2291
2292 pstr_sprintf(filter, "(&(objectClass=%s)(|(%s=%s)(%s=%s)))",
2293 LDAP_OBJ_GROUPMAP,
2294 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_DISPLAY_NAME), escape_name,
2295 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_CN), escape_name);
2296
2297 SAFE_FREE(escape_name);
2298
2299 return ldapsam_getgroup(methods, filter, map);
2300 }
2301
2302 static BOOL ldapsam_extract_rid_from_entry(LDAP *ldap_struct,
2303 LDAPMessage *entry,
2304 const DOM_SID *domain_sid,
2305 uint32 *rid)
2306 {
2307 fstring str;
2308 DOM_SID sid;
2309
2310 if (!smbldap_get_single_attribute(ldap_struct, entry, "sambaSID",
2311 str, sizeof(str)-1)) {
2312 DEBUG(10, ("Could not find sambaSID attribute\n"));
2313 return False;
2314 }
2315
2316 if (!string_to_sid(&sid, str)) {
2317 DEBUG(10, ("Could not convert string %s to sid\n", str));
2318 return False;
2319 }
2320
2321 if (sid_compare_domain(&sid, domain_sid) != 0) {
2322 DEBUG(10, ("SID %s is not in expected domain %s\n",
2323 str, sid_string_static(domain_sid)));
2324 return False;
2325 }
2326
2327 if (!sid_peek_rid(&sid, rid)) {
2328 DEBUG(10, ("Could not peek into RID\n"));
2329 return False;
2330 }
2331
2332 return True;
2333 }
2334
2335 static NTSTATUS ldapsam_enum_group_members(struct pdb_methods *methods,
2336 TALLOC_CTX *mem_ctx,
2337 const DOM_SID *group,
2338 uint32 **pp_member_rids,
2339 size_t *p_num_members)
2340 {
2341 struct ldapsam_privates *ldap_state =
2342 (struct ldapsam_privates *)methods->private_data;
2343 struct smbldap_state *conn = ldap_state->smbldap_state;
2344 const char *id_attrs[] = { "memberUid", "gidNumber", NULL };
2345 const char *sid_attrs[] = { "sambaSID", NULL };
2346 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
2347 LDAPMessage *result = NULL;
2348 LDAPMessage *entry;
2349 char *filter;
2350 char **values = NULL;
2351 char **memberuid;
2352 char *gidstr;
2353 int rc, count;
2354
2355 *pp_member_rids = NULL;
2356 *p_num_members = 0;
2357
2358 filter = talloc_asprintf(mem_ctx,
2359 "(&(objectClass=%s)"
2360 "(objectClass=%s)"
2361 "(sambaSID=%s))",
2362 LDAP_OBJ_POSIXGROUP,
2363 LDAP_OBJ_GROUPMAP,
2364 sid_string_static(group));
2365 if (filter == NULL) {
2366 ret = NT_STATUS_NO_MEMORY;
2367 goto done;
2368 }
2369
2370 rc = smbldap_search(conn, lp_ldap_group_suffix(),
2371 LDAP_SCOPE_SUBTREE, filter, id_attrs, 0,
2372 &result);
2373
2374 if (rc != LDAP_SUCCESS)
2375 goto done;
2376
2377 talloc_autofree_ldapmsg(mem_ctx, result);
2378
2379 count = ldap_count_entries(conn->ldap_struct, result);
2380
2381 if (count > 1) {
2382 DEBUG(1, ("Found more than one groupmap entry for %s\n",
2383 sid_string_static(group)));
2384 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2385 goto done;
2386 }
2387
2388 if (count == 0) {
2389 ret = NT_STATUS_NO_SUCH_GROUP;
2390 goto done;
2391 }
2392
2393 entry = ldap_first_entry(conn->ldap_struct, result);
2394 if (entry == NULL)
2395 goto done;
2396
2397 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", mem_ctx);
2398 if (!gidstr) {
2399 DEBUG (0, ("ldapsam_enum_group_members: Unable to find the group's gid!\n"));
2400 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2401 goto done;
2402 }
2403
2404 values = ldap_get_values(conn->ldap_struct, entry, "memberUid");
2405
2406 if (values) {
2407
2408 filter = talloc_asprintf(mem_ctx, "(&(objectClass=%s)(|", LDAP_OBJ_SAMBASAMACCOUNT);
2409 if (filter == NULL) {
2410 ret = NT_STATUS_NO_MEMORY;
2411 goto done;
2412 }
2413
2414 for (memberuid = values; *memberuid != NULL; memberuid += 1) {
2415 filter = talloc_asprintf_append(filter, "(uid=%s)", *memberuid);
2416 if (filter == NULL) {
2417 ret = NT_STATUS_NO_MEMORY;
2418 goto done;
2419 }
2420 }
2421
2422 filter = talloc_asprintf_append(filter, "))");
2423 if (filter == NULL) {
2424 ret = NT_STATUS_NO_MEMORY;
2425 goto done;
2426 }
2427
2428 rc = smbldap_search(conn, lp_ldap_user_suffix(),
2429 LDAP_SCOPE_SUBTREE, filter, sid_attrs, 0,
2430 &result);
2431
2432 if (rc != LDAP_SUCCESS)
2433 goto done;
2434
2435 count = ldap_count_entries(conn->ldap_struct, result);
2436 DEBUG(10,("ldapsam_enum_group_members: found %d accounts\n", count));
2437
2438 talloc_autofree_ldapmsg(mem_ctx, result);
2439
2440 for (entry = ldap_first_entry(conn->ldap_struct, result);
2441 entry != NULL;
2442 entry = ldap_next_entry(conn->ldap_struct, entry))
2443 {
2444 char *sidstr;
2445 DOM_SID sid;
2446 uint32 rid;
2447
2448 sidstr = smbldap_talloc_single_attribute(conn->ldap_struct,
2449 entry, "sambaSID",
2450 mem_ctx);
2451 if (!sidstr) {
2452 DEBUG(0, ("Severe DB error, sambaSamAccount can't miss "
2453 "the sambaSID attribute\n"));
2454 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2455 goto done;
2456 }
2457
2458 if (!string_to_sid(&sid, sidstr))
2459 goto done;
2460
2461 if (!sid_check_is_in_our_domain(&sid)) {
2462 DEBUG(0, ("Inconsistent SAM -- group member uid not "
2463 "in our domain\n"));
2464 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2465 goto done;
2466 }
2467
2468 sid_peek_rid(&sid, &rid);
2469
2470 add_rid_to_array_unique(mem_ctx, rid, pp_member_rids,
2471 p_num_members);
2472 }
2473 }
2474
2475 filter = talloc_asprintf(mem_ctx,
2476 "(&(objectClass=%s)"
2477 "(gidNumber=%s))",
2478 LDAP_OBJ_SAMBASAMACCOUNT,
2479 gidstr);
2480
2481 rc = smbldap_search(conn, lp_ldap_user_suffix(),
2482 LDAP_SCOPE_SUBTREE, filter, sid_attrs, 0,
2483 &result);
2484
2485 if (rc != LDAP_SUCCESS)
2486 goto done;
2487
2488 talloc_autofree_ldapmsg(mem_ctx, result);
2489
2490 for (entry = ldap_first_entry(conn->ldap_struct, result);
2491 entry != NULL;
2492 entry = ldap_next_entry(conn->ldap_struct, entry))
2493 {
2494 uint32 rid;
2495
2496 if (!ldapsam_extract_rid_from_entry(conn->ldap_struct,
2497 entry,
2498 get_global_sam_sid(),
2499 &rid)) {
2500 DEBUG(0, ("Severe DB error, sambaSamAccount can't miss "
2501 "the sambaSID attribute\n"));
2502 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2503 goto done;
2504 }
2505
2506 add_rid_to_array_unique(mem_ctx, rid, pp_member_rids,
2507 p_num_members);
2508 }
2509
2510 ret = NT_STATUS_OK;
2511
2512 done:
2513
2514 if (values)
2515 ldap_value_free(values);
2516
2517 return ret;
2518 }
2519
2520 static NTSTATUS ldapsam_enum_group_memberships(struct pdb_methods *methods,
2521 TALLOC_CTX *mem_ctx,
2522 struct samu *user,
2523 DOM_SID **pp_sids,
2524 gid_t **pp_gids,
2525 size_t *p_num_groups)
2526 {
2527 struct ldapsam_privates *ldap_state =
2528 (struct ldapsam_privates *)methods->private_data;
2529 struct smbldap_state *conn = ldap_state->smbldap_state;
2530 char *filter;
2531 const char *attrs[] = { "gidNumber", "sambaSID", NULL };
2532 char *escape_name;
2533 int rc, count;
2534 LDAPMessage *result = NULL;
2535 LDAPMessage *entry;
2536 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
2537 size_t num_sids, num_gids;
2538 char *gidstr;
2539 gid_t primary_gid = -1;
2540
2541 *pp_sids = NULL;
2542 num_sids = 0;
2543
2544 if (pdb_get_username(user) == NULL) {
2545 return NT_STATUS_INVALID_PARAMETER;
2546 }
2547
2548 escape_name = escape_ldap_string_alloc(pdb_get_username(user));
2549 if (escape_name == NULL)
2550 return NT_STATUS_NO_MEMORY;
2551
2552 /* retrieve the users primary gid */
2553 filter = talloc_asprintf(mem_ctx,
2554 "(&(objectClass=%s)(uid=%s))",
2555 LDAP_OBJ_SAMBASAMACCOUNT,
2556 escape_name);
2557 if (filter == NULL) {
2558 ret = NT_STATUS_NO_MEMORY;
2559 goto done;
2560 }
2561
2562 rc = smbldap_search(conn, lp_ldap_user_suffix(),
2563 LDAP_SCOPE_SUBTREE, filter, attrs, 0, &result);
2564
2565 if (rc != LDAP_SUCCESS)
2566 goto done;
2567
2568 talloc_autofree_ldapmsg(mem_ctx, result);
2569
2570 count = ldap_count_entries(priv2ld(ldap_state), result);
2571
2572 switch (count) {
2573 case 0:
2574 DEBUG(1, ("User account [%s] not found!\n", pdb_get_username(user)));
2575 ret = NT_STATUS_NO_SUCH_USER;
2576 goto done;
2577 case 1:
2578 entry = ldap_first_entry(priv2ld(ldap_state), result);
2579
2580 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", mem_ctx);
2581 if (!gidstr) {
2582 DEBUG (1, ("Unable to find the member's gid!\n"));
2583 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2584 goto done;
2585 }
2586 primary_gid = strtoul(gidstr, NULL, 10);
2587 break;
2588 default:
2589 DEBUG(1, ("found more than one accoutn with the same user name ?!\n"));
2590 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2591 goto done;
2592 }
2593
2594 filter = talloc_asprintf(mem_ctx,
2595 "(&(objectClass=%s)(|(memberUid=%s)(gidNumber=%d)))",
2596 LDAP_OBJ_POSIXGROUP, escape_name, primary_gid);
2597 if (filter == NULL) {
2598 ret = NT_STATUS_NO_MEMORY;
2599 goto done;
2600 }
2601
2602 rc = smbldap_search(conn, lp_ldap_group_suffix(),
2603 LDAP_SCOPE_SUBTREE, filter, attrs, 0, &result);
2604
2605 if (rc != LDAP_SUCCESS)
2606 goto done;
2607
2608 talloc_autofree_ldapmsg(mem_ctx, result);
2609
2610 num_gids = 0;
2611 *pp_gids = NULL;
2612
2613 num_sids = 0;
2614 *pp_sids = NULL;
2615
2616 /* We need to add the primary group as the first gid/sid */
2617
2618 add_gid_to_array_unique(mem_ctx, primary_gid, pp_gids, &num_gids);
2619
2620 /* This sid will be replaced later */
2621
2622 add_sid_to_array_unique(mem_ctx, &global_sid_NULL, pp_sids, &num_sids);
2623
2624 for (entry = ldap_first_entry(conn->ldap_struct, result);
2625 entry != NULL;
2626 entry = ldap_next_entry(conn->ldap_struct, entry))
2627 {
2628 fstring str;
2629 DOM_SID sid;
2630 gid_t gid;
2631 char *end;
2632
2633 if (!smbldap_get_single_attribute(conn->ldap_struct,
2634 entry, "sambaSID",
2635 str, sizeof(str)-1))
2636 continue;
2637
2638 if (!string_to_sid(&sid, str))
2639 goto done;
2640
2641 if (!smbldap_get_single_attribute(conn->ldap_struct,
2642 entry, "gidNumber",
2643 str, sizeof(str)-1))
2644 continue;
2645
2646 gid = strtoul(str, &end, 10);
2647
2648 if (PTR_DIFF(end, str) != strlen(str))
2649 goto done;
2650
2651 if (gid == primary_gid) {
2652 sid_copy(&(*pp_sids)[0], &sid);
2653 } else {
2654 add_gid_to_array_unique(mem_ctx, gid, pp_gids,
2655 &num_gids);
2656 add_sid_to_array_unique(mem_ctx, &sid, pp_sids,
2657 &num_sids);
2658 }
2659 }
2660
2661 if (sid_compare(&global_sid_NULL, &(*pp_sids)[0]) == 0) {
2662 DEBUG(3, ("primary group of [%s] not found\n",
2663 pdb_get_username(user)));
2664 goto done;
2665 }
2666
2667 *p_num_groups = num_sids;
2668
2669 ret = NT_STATUS_OK;
2670
2671 done:
2672
2673 SAFE_FREE(escape_name);
2674 return ret;
2675 }
2676
2677 /**********************************************************************
2678 * Augment a posixGroup object with a sambaGroupMapping domgroup
2679 *********************************************************************/
2680
2681 static NTSTATUS ldapsam_map_posixgroup(TALLOC_CTX *mem_ctx,
2682 struct ldapsam_privates *ldap_state,
2683 GROUP_MAP *map)
2684 {
2685 const char *filter, *dn;
2686 LDAPMessage *msg, *entry;
2687 LDAPMod **mods;
2688 int rc;
2689
2690 filter = talloc_asprintf(mem_ctx,
2691 "(&(objectClass=posixGroup)(gidNumber=%u))",
2692 map->gid);
2693 if (filter == NULL) {
2694 return NT_STATUS_NO_MEMORY;
2695 }
2696
2697 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter,
2698 get_attr_list(mem_ctx, groupmap_attr_list),
2699 &msg);
2700 talloc_autofree_ldapmsg(mem_ctx, msg);
2701
2702 if ((rc != LDAP_SUCCESS) ||
2703 (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg) != 1) ||
2704 ((entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, msg)) == NULL)) {
2705 return NT_STATUS_NO_SUCH_GROUP;
2706 }
2707
2708 dn = smbldap_talloc_dn(mem_ctx, ldap_state->smbldap_state->ldap_struct, entry);
2709 if (dn == NULL) {
2710 return NT_STATUS_NO_MEMORY;
2711 }
2712
2713 mods = NULL;
2714 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass",
2715 "sambaGroupMapping");
2716 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "sambaSid",
2717 sid_string_static(&map->sid));
2718 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "sambaGroupType",
2719 talloc_asprintf(mem_ctx, "%d", map->sid_name_use));
2720 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "displayName",
2721 map->nt_name);
2722 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "description",
2723 map->comment);
2724 talloc_autofree_ldapmod(mem_ctx, mods);
2725
2726 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
2727 if (rc != LDAP_SUCCESS) {
2728 return NT_STATUS_ACCESS_DENIED;
2729 }
2730
2731 return NT_STATUS_OK;
2732 }
2733
2734 static NTSTATUS ldapsam_add_group_mapping_entry(struct pdb_methods *methods,
2735 GROUP_MAP *map)
2736 {
2737 struct ldapsam_privates *ldap_state =
2738 (struct ldapsam_privates *)methods->private_data;
2739 LDAPMessage *msg = NULL;
2740 LDAPMod **mods = NULL;
2741 const char *attrs[] = { NULL };
2742 char *filter;
2743
2744 char *dn;
2745 TALLOC_CTX *mem_ctx;
2746 NTSTATUS result;
2747
2748 DOM_SID sid;
2749
2750 int rc;
2751
2752 mem_ctx = talloc_new(NULL);
2753 if (mem_ctx == NULL) {
2754 DEBUG(0, ("talloc_new failed\n"));
2755 return NT_STATUS_NO_MEMORY;
2756 }
2757
2758 filter = talloc_asprintf(mem_ctx, "(sambaSid=%s)",
2759 sid_string_static(&map->sid));
2760 if (filter == NULL) {
2761 result = NT_STATUS_NO_MEMORY;
2762 goto done;
2763 }
2764
2765 rc = smbldap_search(ldap_state->smbldap_state, lp_ldap_suffix(),
2766 LDAP_SCOPE_SUBTREE, filter, attrs, True, &msg);
2767 talloc_autofree_ldapmsg(mem_ctx, msg);
2768
2769 if ((rc == LDAP_SUCCESS) &&
2770 (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg) > 0)) {
2771
2772 DEBUG(3, ("SID %s already present in LDAP, refusing to add "
2773 "group mapping entry\n",
2774 sid_string_static(&map->sid)));
2775 result = NT_STATUS_GROUP_EXISTS;
2776 goto done;
2777 }
2778
2779 switch (map->sid_name_use) {
2780
2781 case SID_NAME_DOM_GRP:
2782 /* To map a domain group we need to have a posix group
2783 to attach to. */
2784 result = ldapsam_map_posixgroup(mem_ctx, ldap_state, map);
2785 goto done;
2786 break;
2787
2788 case SID_NAME_ALIAS:
2789 if (!sid_check_is_in_our_domain(&map->sid)
2790 && !sid_check_is_in_builtin(&map->sid) )
2791 {
2792 DEBUG(3, ("Refusing to map sid %s as an alias, not in our domain\n",
2793 sid_string_static(&map->sid)));
2794 result = NT_STATUS_INVALID_PARAMETER;
2795 goto done;
2796 }
2797 break;
2798
2799 default:
2800 DEBUG(3, ("Got invalid use '%s' for mapping\n",
2801 sid_type_lookup(map->sid_name_use)));
2802 result = NT_STATUS_INVALID_PARAMETER;
2803 goto done;
2804 }
2805
2806 /* Domain groups have been mapped in a separate routine, we have to
2807 * create an alias now */
2808
2809 if (map->gid == -1) {
2810 DEBUG(10, ("Refusing to map gid==-1\n"));
2811 result = NT_STATUS_INVALID_PARAMETER;
2812 goto done;
2813 }
2814
2815 if (pdb_gid_to_sid(map->gid, &sid)) {
2816 DEBUG(3, ("Gid %d is already mapped to SID %s, refusing to "
2817 "add\n", map->gid, sid_string_static(&sid)));
2818 result = NT_STATUS_GROUP_EXISTS;
2819 goto done;
2820 }
2821
2822 /* Ok, enough checks done. It's still racy to go ahead now, but that's
2823 * the best we can get out of LDAP. */
2824
2825 dn = talloc_asprintf(mem_ctx, "sambaSid=%s,%s",
2826 sid_string_static(&map->sid),
2827 lp_ldap_group_suffix());
2828 if (dn == NULL) {
2829 result = NT_STATUS_NO_MEMORY;
2830 goto done;
2831 }
2832
2833 mods = NULL;
2834
2835 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "objectClass",
2836 "sambaSidEntry");
2837 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "objectClass",
2838 "sambaGroupMapping");
2839
2840 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "sambaSid",
2841 sid_string_static(&map->sid));
2842 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "sambaGroupType",
2843 talloc_asprintf(mem_ctx, "%d", map->sid_name_use));
2844 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "displayName",
2845 map->nt_name);
2846 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "description",
2847 map->comment);
2848 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "gidNumber",
2849 talloc_asprintf(mem_ctx, "%u", map->gid));
2850 talloc_autofree_ldapmod(mem_ctx, mods);
2851
2852 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
2853
2854 result = (rc == LDAP_SUCCESS) ?
2855 NT_STATUS_OK : NT_STATUS_ACCESS_DENIED;
2856
2857 done:
2858 TALLOC_FREE(mem_ctx);
2859 return result;
2860 }
2861
2862 /**********************************************************************
2863 * Update a group mapping entry. We're quite strict about what can be changed:
2864 * Only the description and displayname may be changed. It simply does not
2865 * make any sense to change the SID, gid or the type in a mapping.
2866 *********************************************************************/
2867
2868 static NTSTATUS ldapsam_update_group_mapping_entry(struct pdb_methods *methods,
2869 GROUP_MAP *map)
2870 {
2871 struct ldapsam_privates *ldap_state =
2872 (struct ldapsam_privates *)methods->private_data;
2873 int rc;
2874 const char *filter, *dn;
2875 LDAPMessage *msg = NULL;
2876 LDAPMessage *entry = NULL;
2877 LDAPMod **mods = NULL;
2878 TALLOC_CTX *mem_ctx;
2879 NTSTATUS result;
2880
2881 mem_ctx = talloc_new(NULL);
2882 if (mem_ctx == NULL) {
2883 DEBUG(0, ("talloc_new failed\n"));
2884 return NT_STATUS_NO_MEMORY;
2885 }
2886
2887 /* Make 100% sure that sid, gid and type are not changed by looking up
2888 * exactly the values we're given in LDAP. */
2889
2890 filter = talloc_asprintf(mem_ctx, "(&(objectClass=%s)"
2891 "(sambaSid=%s)(gidNumber=%u)"
2892 "(sambaGroupType=%d))",
2893 LDAP_OBJ_GROUPMAP,
2894 sid_string_static(&map->sid), map->gid,
2895 map->sid_name_use);
2896 if (filter == NULL) {
2897 result = NT_STATUS_NO_MEMORY;
2898 goto done;
2899 }
2900
2901 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter,
2902 get_attr_list(mem_ctx, groupmap_attr_list),
2903 &msg);
2904 talloc_autofree_ldapmsg(mem_ctx, msg);
2905
2906 if ((rc != LDAP_SUCCESS) ||
2907 (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg) != 1) ||
2908 ((entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, msg)) == NULL)) {
2909 result = NT_STATUS_NO_SUCH_GROUP;
2910 goto done;
2911 }
2912
2913 dn = smbldap_talloc_dn(mem_ctx, ldap_state->smbldap_state->ldap_struct, entry);
2914
2915 if (dn == NULL) {
2916 result = NT_STATUS_NO_MEMORY;
2917 goto done;
2918 }
2919
2920 mods = NULL;
2921 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "displayName",
2922 map->nt_name);
2923 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "description",
2924 map->comment);
2925 talloc_autofree_ldapmod(mem_ctx, mods);
2926
2927 if (mods == NULL) {
2928 DEBUG(4, ("ldapsam_update_group_mapping_entry: mods is empty: "
2929 "nothing to do\n"));
2930 result = NT_STATUS_OK;
2931 goto done;
2932 }
2933
2934 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
2935
2936 if (rc != LDAP_SUCCESS) {
2937 result = NT_STATUS_ACCESS_DENIED;
2938 goto done;
2939 }
2940
2941 DEBUG(2, ("ldapsam_update_group_mapping_entry: successfully modified "
2942 "group %lu in LDAP\n", (unsigned long)map->gid));
2943
2944 result = NT_STATUS_OK;
2945
2946 done:
2947 TALLOC_FREE(mem_ctx);
2948 return result;
2949 }
2950
2951 /**********************************************************************
2952 *********************************************************************/
2953
2954 static NTSTATUS ldapsam_delete_group_mapping_entry(struct pdb_methods *methods,
2955 DOM_SID sid)
2956 {
2957 struct ldapsam_privates *priv =
2958 (struct ldapsam_privates *)methods->private_data;
2959 LDAPMessage *msg, *entry;
2960 int rc;
2961 NTSTATUS result;
2962 TALLOC_CTX *mem_ctx;
2963 char *filter;
2964
2965 mem_ctx = talloc_new(NULL);
2966 if (mem_ctx == NULL) {
2967 DEBUG(0, ("talloc_new failed\n"));
2968 return NT_STATUS_NO_MEMORY;
2969 }
2970
2971 filter = talloc_asprintf(mem_ctx, "(&(objectClass=%s)(%s=%s))",
2972 LDAP_OBJ_GROUPMAP, LDAP_ATTRIBUTE_SID,
2973 sid_string_static(&sid));
2974 if (filter == NULL) {
2975 result = NT_STATUS_NO_MEMORY;
2976 goto done;
2977 }
2978 rc = smbldap_search_suffix(priv->smbldap_state, filter,
2979 get_attr_list(mem_ctx, groupmap_attr_list),
2980 &msg);
2981 talloc_autofree_ldapmsg(mem_ctx, msg);
2982
2983 if ((rc != LDAP_SUCCESS) ||
2984 (ldap_count_entries(priv2ld(priv), msg) != 1) ||
2985 ((entry = ldap_first_entry(priv2ld(priv), msg)) == NULL)) {
2986 result = NT_STATUS_NO_SUCH_GROUP;
2987 goto done;
2988 }
2989
2990 rc = ldapsam_delete_entry(priv, mem_ctx, entry, LDAP_OBJ_GROUPMAP,
2991 get_attr_list(mem_ctx,
2992 groupmap_attr_list_to_delete));
2993
2994 if ((rc == LDAP_NAMING_VIOLATION) ||
2995 (rc == LDAP_OBJECT_CLASS_VIOLATION)) {
2996 const char *attrs[] = { "sambaGroupType", "description",
2997 "displayName", "sambaSIDList",
2998 NULL };
2999
3000 /* Second try. Don't delete the sambaSID attribute, this is
3001 for "old" entries that are tacked on a winbind
3002 sambaIdmapEntry. */
3003
3004 rc = ldapsam_delete_entry(priv, mem_ctx, entry,
3005 LDAP_OBJ_GROUPMAP, attrs);
3006 }
3007
3008 if ((rc == LDAP_NAMING_VIOLATION) ||
3009 (rc == LDAP_OBJECT_CLASS_VIOLATION)) {
3010 const char *attrs[] = { "sambaGroupType", "description",
3011 "displayName", "sambaSIDList",
3012 "gidNumber", NULL };
3013
3014 /* Third try. This is a post-3.0.21 alias (containing only
3015 * sambaSidEntry and sambaGroupMapping classes), we also have
3016 * to delete the gidNumber attribute, only the sambaSidEntry
3017 * remains */
3018
3019 rc = ldapsam_delete_entry(priv, mem_ctx, entry,
3020 LDAP_OBJ_GROUPMAP, attrs);
3021 }
3022
3023 result = (rc == LDAP_SUCCESS) ? NT_STATUS_OK : NT_STATUS_UNSUCCESSFUL;
3024
3025 done:
3026 TALLOC_FREE(mem_ctx);
3027 return result;
3028 }
3029
3030 /**********************************************************************
3031 *********************************************************************/
3032
3033 static NTSTATUS ldapsam_setsamgrent(struct pdb_methods *my_methods,
3034 BOOL update)
3035 {
3036 struct ldapsam_privates *ldap_state =
3037 (struct ldapsam_privates *)my_methods->private_data;
3038 fstring filter;
3039 int rc;
3040 const char **attr_list;
3041
3042 pstr_sprintf( filter, "(objectclass=%s)", LDAP_OBJ_GROUPMAP);
3043 attr_list = get_attr_list( NULL, groupmap_attr_list );
3044 rc = smbldap_search(ldap_state->smbldap_state, lp_ldap_group_suffix(),
3045 LDAP_SCOPE_SUBTREE, filter,
3046 attr_list, 0, &ldap_state->result);
3047 TALLOC_FREE(attr_list);
3048
3049 if (rc != LDAP_SUCCESS) {
3050 DEBUG(0, ("ldapsam_setsamgrent: LDAP search failed: %s\n",
3051 ldap_err2string(rc)));
3052 DEBUG(3, ("ldapsam_setsamgrent: Query was: %s, %s\n",
3053 lp_ldap_group_suffix(), filter));
3054 ldap_msgfree(ldap_state->result);
3055 ldap_state->result = NULL;
3056 return NT_STATUS_UNSUCCESSFUL;
3057 }
3058
3059 DEBUG(2, ("ldapsam_setsamgrent: %d entries in the base!\n",
3060 ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
3061 ldap_state->result)));
3062
3063 ldap_state->entry =
3064 ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
3065 ldap_state->result);
3066 ldap_state->index = 0;
3067
3068 return NT_STATUS_OK;
3069 }
3070
3071 /**********************************************************************
3072 *********************************************************************/
3073
3074 static void ldapsam_endsamgrent(struct pdb_methods *my_methods)
3075 {
3076 ldapsam_endsampwent(my_methods);
3077 }
3078
3079 /**********************************************************************
3080 *********************************************************************/
3081
3082 static NTSTATUS ldapsam_getsamgrent(struct pdb_methods *my_methods,
3083 GROUP_MAP *map)
3084 {
3085 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
3086 struct ldapsam_privates *ldap_state =
3087 (struct ldapsam_privates *)my_methods->private_data;
3088 BOOL bret = False;
3089
3090 while (!bret) {
3091 if (!ldap_state->entry)
3092 return ret;
3093
3094 ldap_state->index++;
3095 bret = init_group_from_ldap(ldap_state, map,
3096 ldap_state->entry);
3097
3098 ldap_state->entry =
3099 ldap_next_entry(ldap_state->smbldap_state->ldap_struct,
3100 ldap_state->entry);
3101 }
3102
3103 return NT_STATUS_OK;
3104 }
3105
3106 /**********************************************************************
3107 *********************************************************************/
3108
3109 static NTSTATUS ldapsam_enum_group_mapping(struct pdb_methods *methods,
3110 const DOM_SID *domsid, enum SID_NAME_USE sid_name_use,
3111 GROUP_MAP **pp_rmap,
3112 size_t *p_num_entries,
3113 BOOL unix_only)
3114 {
3115 GROUP_MAP map;
3116 size_t entries = 0;
3117
3118 *p_num_entries = 0;
3119 *pp_rmap = NULL;
3120
3121 if (!NT_STATUS_IS_OK(ldapsam_setsamgrent(methods, False))) {
3122 DEBUG(0, ("ldapsam_enum_group_mapping: Unable to open "
3123 "passdb\n"));
3124 return NT_STATUS_ACCESS_DENIED;
3125 }
3126
3127 while (NT_STATUS_IS_OK(ldapsam_getsamgrent(methods, &map))) {
3128 if (sid_name_use != SID_NAME_UNKNOWN &&
3129 sid_name_use != map.sid_name_use) {
3130 DEBUG(11,("ldapsam_enum_group_mapping: group %s is "
3131 "not of the requested type\n", map.nt_name));
3132 continue;
3133 }
3134 if (unix_only==ENUM_ONLY_MAPPED && map.gid==-1) {
3135 DEBUG(11,("ldapsam_enum_group_mapping: group %s is "
3136 "non mapped\n", map.nt_name));
3137 continue;
3138 }
3139
3140 (*pp_rmap)=SMB_REALLOC_ARRAY((*pp_rmap), GROUP_MAP, entries+1);
3141 if (!(*pp_rmap)) {
3142 DEBUG(0,("ldapsam_enum_group_mapping: Unable to "
3143 "enlarge group map!\n"));
3144 return NT_STATUS_UNSUCCESSFUL;
3145 }
3146
3147 (*pp_rmap)[entries] = map;
3148
3149 entries += 1;
3150
3151 }
3152 ldapsam_endsamgrent(methods);
3153
3154 *p_num_entries = entries;
3155
3156 return NT_STATUS_OK;
3157 }
3158
3159 static NTSTATUS ldapsam_modify_aliasmem(struct pdb_methods *methods,
3160 const DOM_SID *alias,
3161 const DOM_SID *member,
3162 int modop)
3163 {
3164 struct ldapsam_privates *ldap_state =
3165 (struct ldapsam_privates *)methods->private_data;
3166 char *dn;
3167 LDAPMessage *result = NULL;
3168 LDAPMessage *entry = NULL;
3169 int count;
3170 LDAPMod **mods = NULL;
3171 int rc;
3172 enum SID_NAME_USE type = SID_NAME_USE_NONE;
3173
3174 pstring filter;
3175
3176 if (sid_check_is_in_builtin(alias)) {
3177 type = SID_NAME_ALIAS;
3178 }
3179
3180 if (sid_check_is_in_our_domain(alias)) {
3181 type = SID_NAME_ALIAS;
3182 }
3183
3184 if (type == SID_NAME_USE_NONE) {
3185 DEBUG(5, ("SID %s is neither in builtin nor in our domain!\n",
3186 sid_string_static(alias)));
3187 return NT_STATUS_NO_SUCH_ALIAS;
3188 }
3189
3190 pstr_sprintf(filter,
3191 "(&(objectClass=%s)(sambaSid=%s)(sambaGroupType=%d))",
3192 LDAP_OBJ_GROUPMAP, sid_string_static(alias),
3193 type);
3194
3195 if (ldapsam_search_one_group(ldap_state, filter,
3196 &result) != LDAP_SUCCESS)
3197 return NT_STATUS_NO_SUCH_ALIAS;
3198
3199 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
3200 result);
3201
3202 if (count < 1) {
3203 DEBUG(4, ("ldapsam_modify_aliasmem: Did not find alias\n"));
3204 ldap_msgfree(result);
3205 return NT_STATUS_NO_SUCH_ALIAS;
3206 }
3207
3208 if (count > 1) {
3209 DEBUG(1, ("ldapsam_modify_aliasmem: Duplicate entries for "
3210 "filter %s: count=%d\n", filter, count));
3211 ldap_msgfree(result);
3212 return NT_STATUS_NO_SUCH_ALIAS;
3213 }
3214
3215 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
3216 result);
3217
3218 if (!entry) {
3219 ldap_msgfree(result);
3220 return NT_STATUS_UNSUCCESSFUL;
3221 }
3222
3223 dn = smbldap_get_dn(ldap_state->smbldap_state->ldap_struct, entry);
3224 if (!dn) {
3225 ldap_msgfree(result);
3226 return NT_STATUS_UNSUCCESSFUL;
3227 }
3228
3229 smbldap_set_mod(&mods, modop,
3230 get_attr_key2string(groupmap_attr_list,
3231 LDAP_ATTR_SID_LIST),
3232 sid_string_static(member));
3233
3234 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
3235
3236 ldap_mods_free(mods, True);
3237 ldap_msgfree(result);
3238 SAFE_FREE(dn);
3239
3240 if (rc == LDAP_TYPE_OR_VALUE_EXISTS) {
3241 return NT_STATUS_MEMBER_IN_ALIAS;
3242 }
3243
3244 if (rc == LDAP_NO_SUCH_ATTRIBUTE) {
3245 return NT_STATUS_MEMBER_NOT_IN_ALIAS;
3246 }
3247
3248 if (rc != LDAP_SUCCESS) {
3249 return NT_STATUS_UNSUCCESSFUL;
3250 }
3251
3252 return NT_STATUS_OK;
3253 }
3254
3255 static NTSTATUS ldapsam_add_aliasmem(struct pdb_methods *methods,
3256 const DOM_SID *alias,
3257 const DOM_SID *member)
3258 {
3259 return ldapsam_modify_aliasmem(methods, alias, member, LDAP_MOD_ADD);
3260 }
3261
3262 static NTSTATUS ldapsam_del_aliasmem(struct pdb_methods *methods,
3263 const DOM_SID *alias,
3264 const DOM_SID *member)
3265 {
3266 return ldapsam_modify_aliasmem(methods, alias, member,
3267 LDAP_MOD_DELETE);
3268 }
3269
3270 static NTSTATUS ldapsam_enum_aliasmem(struct pdb_methods *methods,
3271 const DOM_SID *alias,
3272 DOM_SID **pp_members,
3273 size_t *p_num_members)
3274 {
3275 struct ldapsam_privates *ldap_state =
3276 (struct ldapsam_privates *)methods->private_data;
3277 LDAPMessage *result = NULL;
3278 LDAPMessage *entry = NULL;
3279 int count;
3280 char **values;
3281 int i;
3282 pstring filter;
3283 size_t num_members = 0;
3284 enum SID_NAME_USE type = SID_NAME_USE_NONE;
3285
3286 *pp_members = NULL;
3287 *p_num_members = 0;
3288
3289 if (sid_check_is_in_builtin(alias)) {
3290 type = SID_NAME_ALIAS;
3291 }
3292
3293 if (sid_check_is_in_our_domain(alias)) {
3294 type = SID_NAME_ALIAS;
3295 }
3296
3297 if (type == SID_NAME_USE_NONE) {
3298 DEBUG(5, ("SID %s is neither in builtin nor in our domain!\n",
3299 sid_string_static(alias)));
3300 return NT_STATUS_NO_SUCH_ALIAS;
3301 }
3302
3303 pstr_sprintf(filter,
3304 "(&(objectClass=%s)(sambaSid=%s)(sambaGroupType=%d))",
3305 LDAP_OBJ_GROUPMAP, sid_string_static(alias),
3306 type);
3307
3308 if (ldapsam_search_one_group(ldap_state, filter,
3309 &result) != LDAP_SUCCESS)
3310 return NT_STATUS_NO_SUCH_ALIAS;
3311
3312 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
3313 result);
3314
3315 if (count < 1) {
3316 DEBUG(4, ("ldapsam_enum_aliasmem: Did not find alias\n"));
3317 ldap_msgfree(result);
3318 return NT_STATUS_NO_SUCH_ALIAS;
3319 }
3320
3321 if (count > 1) {
3322 DEBUG(1, ("ldapsam_enum_aliasmem: Duplicate entries for "
3323 "filter %s: count=%d\n", filter, count));
3324 ldap_msgfree(result);
3325 return NT_STATUS_NO_SUCH_ALIAS;
3326 }
3327
3328 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
3329 result);
3330
3331 if (!entry) {
3332 ldap_msgfree(result);
3333 return NT_STATUS_UNSUCCESSFUL;
3334 }
3335
3336 values = ldap_get_values(ldap_state->smbldap_state->ldap_struct,
3337 entry,
3338 get_attr_key2string(groupmap_attr_list,
3339 LDAP_ATTR_SID_LIST));
3340
3341 if (values == NULL) {
3342 ldap_msgfree(result);
3343 return NT_STATUS_OK;
3344 }
3345
3346 count = ldap_count_values(values);
3347
3348 for (i=0; i<count; i++) {
3349 DOM_SID member;
3350
3351 if (!string_to_sid(&member, values[i]))
3352 continue;
3353
3354 add_sid_to_array(NULL, &member, pp_members, &num_members);
3355 }
3356
3357 *p_num_members = num_members;
3358 ldap_value_free(values);
3359 ldap_msgfree(result);
3360
3361 return NT_STATUS_OK;
3362 }
3363
3364 static NTSTATUS ldapsam_alias_memberships(struct pdb_methods *methods,
3365 TALLOC_CTX *mem_ctx,
3366 const DOM_SID *domain_sid,
3367 const DOM_SID *members,
3368 size_t num_members,
3369 uint32 **pp_alias_rids,
3370 size_t *p_num_alias_rids)
3371 {
3372 struct ldapsam_privates *ldap_state =
3373 (struct ldapsam_privates *)methods->private_data;
3374 LDAP *ldap_struct;
3375
3376 const char *attrs[] = { LDAP_ATTRIBUTE_SID, NULL };
3377
3378 LDAPMessage *result = NULL;
3379 LDAPMessage *entry = NULL;
3380 int i;
3381 int rc;
3382 char *filter;
3383 enum SID_NAME_USE type = SID_NAME_USE_NONE;
3384
3385 if (sid_check_is_builtin(domain_sid)) {
3386 type = SID_NAME_ALIAS;
3387 }
3388
3389 if (sid_check_is_domain(domain_sid)) {
3390 type = SID_NAME_ALIAS;
3391 }
3392
3393 if (type == SID_NAME_USE_NONE) {
3394 DEBUG(5, ("SID %s is neither builtin nor domain!\n",
3395 sid_string_static(domain_sid)));
3396 return NT_STATUS_UNSUCCESSFUL;
3397 }
3398
3399 filter = talloc_asprintf(mem_ctx,
3400 "(&(|(objectclass=%s)(sambaGroupType=%d))(|",
3401 LDAP_OBJ_GROUPMAP, type);
3402
3403 for (i=0; i<num_members; i++)
3404 filter = talloc_asprintf(mem_ctx, "%s(sambaSIDList=%s)",
3405 filter,
3406 sid_string_static(&members[i]));
3407
3408 filter = talloc_asprintf(mem_ctx, "%s))", filter);
3409
3410 if (filter == NULL) {
3411 return NT_STATUS_NO_MEMORY;
3412 }
3413
3414 rc = smbldap_search(ldap_state->smbldap_state, lp_ldap_group_suffix(),
3415 LDAP_SCOPE_SUBTREE, filter, attrs, 0, &result);
3416
3417 if (rc != LDAP_SUCCESS)
3418 return NT_STATUS_UNSUCCESSFUL;
3419
3420 ldap_struct = ldap_state->smbldap_state->ldap_struct;
3421
3422 for (entry = ldap_first_entry(ldap_struct, result);
3423 entry != NULL;
3424 entry = ldap_next_entry(ldap_struct, entry))
3425 {
3426 fstring sid_str;
3427 DOM_SID sid;
3428 uint32 rid;
3429
3430 if (!smbldap_get_single_attribute(ldap_struct, entry,
3431 LDAP_ATTRIBUTE_SID,
3432 sid_str,
3433 sizeof(sid_str)-1))
3434 continue;
3435
3436 if (!string_to_sid(&sid, sid_str))
3437 continue;
3438
3439 if (!sid_peek_check_rid(domain_sid, &sid, &rid))
3440 continue;
3441
3442 add_rid_to_array_unique(mem_ctx, rid, pp_alias_rids,
3443 p_num_alias_rids);
3444 }
3445
3446 ldap_msgfree(result);
3447 return NT_STATUS_OK;
3448 }
3449
3450 static NTSTATUS ldapsam_set_account_policy_in_ldap(struct pdb_methods *methods,
3451 int policy_index,
3452 uint32 value)
3453 {
3454 NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
3455 int rc;
3456 LDAPMod **mods = NULL;
3457 fstring value_string;
3458 const char *policy_attr = NULL;
3459
3460 struct ldapsam_privates *ldap_state =
3461 (struct ldapsam_privates *)methods->private_data;
3462
3463 const char *attrs[2];
3464
3465 DEBUG(10,("ldapsam_set_account_policy_in_ldap\n"));
3466
3467 if (!ldap_state->domain_dn) {
3468 return NT_STATUS_INVALID_PARAMETER;
3469 }
3470
3471 policy_attr = get_account_policy_attr(policy_index);
3472 if (policy_attr == NULL) {
3473 DEBUG(0,("ldapsam_set_account_policy_in_ldap: invalid "
3474 "policy\n"));
3475 return ntstatus;
3476 }
3477
3478 attrs[0] = policy_attr;
3479 attrs[1] = NULL;
3480
3481 slprintf(value_string, sizeof(value_string) - 1, "%i", value);
3482
3483 smbldap_set_mod(&mods, LDAP_MOD_REPLACE, policy_attr, value_string);
3484
3485 rc = smbldap_modify(ldap_state->smbldap_state, ldap_state->domain_dn,
3486 mods);
3487
3488 ldap_mods_free(mods, True);
3489
3490 if (rc != LDAP_SUCCESS) {
3491 return ntstatus;
3492 }
3493
3494 if (!cache_account_policy_set(policy_index, value)) {
3495 DEBUG(0,("ldapsam_set_account_policy_in_ldap: failed to "
3496 "update local tdb cache\n"));
3497 return ntstatus;
3498 }
3499
3500 return NT_STATUS_OK;
3501 }
3502
3503 static NTSTATUS ldapsam_set_account_policy(struct pdb_methods *methods,
3504 int policy_index, uint32 value)
3505 {
3506 if (!account_policy_migrated(False)) {
3507 return (account_policy_set(policy_index, value)) ?
3508 NT_STATUS_OK : NT_STATUS_UNSUCCESSFUL;
3509 }
3510
3511 return ldapsam_set_account_policy_in_ldap(methods, policy_index,
3512 value);
3513 }
3514
3515 static NTSTATUS ldapsam_get_account_policy_from_ldap(struct pdb_methods *methods,
3516 int policy_index,
3517 uint32 *value)
3518 {
3519 NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
3520 LDAPMessage *result = NULL;
3521 LDAPMessage *entry = NULL;
3522 int count;
3523 int rc;
3524 char **vals = NULL;
3525 const char *policy_attr = NULL;
3526
3527 struct ldapsam_privates *ldap_state =
3528 (struct ldapsam_privates *)methods->private_data;
3529
3530 const char *attrs[2];
3531
3532 DEBUG(10,("ldapsam_get_account_policy_from_ldap\n"));
3533
3534 if (!ldap_state->domain_dn) {
3535 return NT_STATUS_INVALID_PARAMETER;
3536 }
3537
3538 policy_attr = get_account_policy_attr(policy_index);
3539 if (!policy_attr) {
3540 DEBUG(0,("ldapsam_get_account_policy_from_ldap: invalid "
3541 "policy index: %d\n", policy_index));
3542 return ntstatus;
3543 }
3544
3545 attrs[0] = policy_attr;
3546 attrs[1] = NULL;
3547
3548 rc = smbldap_search(ldap_state->smbldap_state, ldap_state->domain_dn,
3549 LDAP_SCOPE_BASE, "(objectclass=*)", attrs, 0,
3550 &result);
3551
3552 if (rc != LDAP_SUCCESS) {
3553 return ntstatus;
3554 }
3555
3556 count = ldap_count_entries(priv2ld(ldap_state), result);
3557 if (count < 1) {
3558 goto out;
3559 }
3560
3561 entry = ldap_first_entry(priv2ld(ldap_state), result);
3562 if (entry == NULL) {
3563 goto out;
3564 }
3565
3566 vals = ldap_get_values(priv2ld(ldap_state), entry, policy_attr);
3567 if (vals == NULL) {
3568 goto out;
3569 }
3570
3571 *value = (uint32)atol(vals[0]);
3572
3573 ntstatus = NT_STATUS_OK;
3574
3575 out:
3576 if (vals)
3577 ldap_value_free(vals);
3578 ldap_msgfree(result);
3579
3580 return ntstatus;
3581 }
3582
3583 /* wrapper around ldapsam_get_account_policy_from_ldap(), handles tdb as cache
3584
3585 - if user hasn't decided to use account policies inside LDAP just reuse the
3586 old tdb values
3587
3588 - if there is a valid cache entry, return that
3589 - if there is an LDAP entry, update cache and return
3590 - otherwise set to default, update cache and return
3591
3592 Guenther
3593 */
3594 static NTSTATUS ldapsam_get_account_policy(struct pdb_methods *methods,
3595 int policy_index, uint32 *value)
3596 {
3597 NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
3598
3599 if (!account_policy_migrated(False)) {
3600 return (account_policy_get(policy_index, value))
3601 ? NT_STATUS_OK : NT_STATUS_UNSUCCESSFUL;
3602 }
3603
3604 if (cache_account_policy_get(policy_index, value)) {
3605 DEBUG(11,("ldapsam_get_account_policy: got valid value from "
3606 "cache\n"));
3607 return NT_STATUS_OK;
3608 }
3609
3610 ntstatus = ldapsam_get_account_policy_from_ldap(methods, policy_index,
3611 value);
3612 if (NT_STATUS_IS_OK(ntstatus)) {
3613 goto update_cache;
3614 }
3615
3616 DEBUG(10,("ldapsam_get_account_policy: failed to retrieve from "
3617 "ldap\n"));
3618
3619 #if 0
3620 /* should we automagically migrate old tdb value here ? */
3621 if (account_policy_get(policy_index, value))
3622 goto update_ldap;
3623
3624 DEBUG(10,("ldapsam_get_account_policy: no tdb for %d, trying "
3625 "default\n", policy_index));
3626 #endif
3627
3628 if (!account_policy_get_default(policy_index, value)) {
3629 return ntstatus;
3630 }
3631
3632 /* update_ldap: */
3633
3634 ntstatus = ldapsam_set_account_policy(methods, policy_index, *value);
3635 if (!NT_STATUS_IS_OK(ntstatus)) {
3636 return ntstatus;
3637 }
3638
3639 update_cache:
3640
3641 if (!cache_account_policy_set(policy_index, *value)) {
3642 DEBUG(0,("ldapsam_get_account_policy: failed to update local "
3643 "tdb as a cache\n"));
3644 return NT_STATUS_UNSUCCESSFUL;
3645 }
3646
3647 return NT_STATUS_OK;
3648 }
3649
3650 static NTSTATUS ldapsam_lookup_rids(struct pdb_methods *methods,
3651 const DOM_SID *domain_sid,
3652 int num_rids,
3653 uint32 *rids,
3654 const char **names,
3655 uint32 *attrs)
3656 {
3657 struct ldapsam_privates *ldap_state =
3658 (struct ldapsam_privates *)methods->private_data;
3659 LDAPMessage *msg = NULL;
3660 LDAPMessage *entry;
3661 char *allsids = NULL;
3662 int i, rc, num_mapped;
3663 NTSTATUS result = NT_STATUS_NO_MEMORY;
3664 TALLOC_CTX *mem_ctx;
3665 LDAP *ld;
3666 BOOL is_builtin;
3667
3668 mem_ctx = talloc_new(NULL);
3669 if (mem_ctx == NULL) {
3670 DEBUG(0, ("talloc_new failed\n"));
3671 goto done;
3672 }
3673
3674 if (!sid_check_is_builtin(domain_sid) &&
3675 !sid_check_is_domain(domain_sid)) {
3676 result = NT_STATUS_INVALID_PARAMETER;
3677 goto done;
3678 }
3679
3680 for (i=0; i<num_rids; i++)
3681 attrs[i] = SID_NAME_UNKNOWN;
3682
3683 allsids = talloc_strdup(mem_ctx, "");
3684 if (allsids == NULL) {
3685 goto done;
3686 }
3687
3688 for (i=0; i<num_rids; i++) {
3689 DOM_SID sid;
3690 sid_compose(&sid, domain_sid, rids[i]);
3691 allsids = talloc_asprintf_append(allsids, "(sambaSid=%s)",
3692 sid_string_static(&sid));
3693 if (allsids == NULL) {
3694 goto done;
3695 }
3696 }
3697
3698 /* First look for users */
3699
3700 {
3701 char *filter;
3702 const char *ldap_attrs[] = { "uid", "sambaSid", NULL };
3703
3704 filter = talloc_asprintf(
3705 mem_ctx, ("(&(objectClass=%s)(|%s))"),
3706 LDAP_OBJ_SAMBASAMACCOUNT, allsids);
3707
3708 if (filter == NULL) {
3709 goto done;
3710 }
3711
3712 rc = smbldap_search(ldap_state->smbldap_state,
3713 lp_ldap_user_suffix(),
3714 LDAP_SCOPE_SUBTREE, filter, ldap_attrs, 0,
3715 &msg);
3716 talloc_autofree_ldapmsg(mem_ctx, msg);
3717 }
3718
3719 if (rc != LDAP_SUCCESS)
3720 goto done;
3721
3722 ld = ldap_state->smbldap_state->ldap_struct;
3723 num_mapped = 0;
3724
3725 for (entry = ldap_first_entry(ld, msg);
3726 entry != NULL;
3727 entry = ldap_next_entry(ld, entry)) {
3728 uint32 rid;
3729 int rid_index;
3730 const char *name;
3731
3732 if (!ldapsam_extract_rid_from_entry(ld, entry, domain_sid,
3733 &rid)) {
3734 DEBUG(2, ("Could not find sid from ldap entry\n"));
3735 continue;
3736 }
3737
3738 name = smbldap_talloc_single_attribute(ld, entry, "uid",
3739 names);
3740 if (name == NULL) {
3741 DEBUG(2, ("Could not retrieve uid attribute\n"));
3742 continue;
3743 }
3744
3745 for (rid_index = 0; rid_index < num_rids; rid_index++) {
3746 if (rid == rids[rid_index])
3747 break;
3748 }
3749
3750 if (rid_index == num_rids) {
3751 DEBUG(2, ("Got a RID not asked for: %d\n", rid));
3752 continue;
3753 }
3754
3755 attrs[rid_index] = SID_NAME_USER;
3756 names[rid_index] = name;
3757 num_mapped += 1;
3758 }
3759
3760 if (num_mapped == num_rids) {
3761 /* No need to look for groups anymore -- we're done */
3762 result = NT_STATUS_OK;
3763 goto done;
3764 }
3765
3766 /* Same game for groups */
3767
3768 {
3769 char *filter;
3770 const char *ldap_attrs[] = { "cn", "displayName", "sambaSid",
3771 "sambaGroupType", NULL };
3772
3773 filter = talloc_asprintf(
3774 mem_ctx, "(&(objectClass=%s)(|%s))",
3775 LDAP_OBJ_GROUPMAP, allsids);
3776 if (filter == NULL) {
3777 goto done;
3778 }
3779
3780 rc = smbldap_search(ldap_state->smbldap_state,
3781 lp_ldap_group_suffix(),
3782 LDAP_SCOPE_SUBTREE, filter, ldap_attrs, 0,
3783 &msg);
3784 talloc_autofree_ldapmsg(mem_ctx, msg);
3785 }
3786
3787 if (rc != LDAP_SUCCESS)
3788 goto done;
3789
3790 /* ldap_struct might have changed due to a reconnect */
3791
3792 ld = ldap_state->smbldap_state->ldap_struct;
3793
3794 /* For consistency checks, we already checked we're only domain or builtin */
3795
3796 is_builtin = sid_check_is_builtin(domain_sid);
3797
3798 for (entry = ldap_first_entry(ld, msg);
3799 entry != NULL;
3800 entry = ldap_next_entry(ld, entry))
3801 {
3802 uint32 rid;
3803 int rid_index;
3804 const char *attr;
3805 enum SID_NAME_USE type;
3806 const char *dn = smbldap_talloc_dn(mem_ctx, ld, entry);
3807
3808 attr = smbldap_talloc_single_attribute(ld, entry, "sambaGroupType",
3809 mem_ctx);
3810 if (attr == NULL) {
3811 DEBUG(2, ("Could not extract type from ldap entry %s\n",
3812 dn));
3813 continue;
3814 }
3815
3816 type = atol(attr);
3817
3818 /* Consistency checks */
3819 if ((is_builtin && (type != SID_NAME_ALIAS)) ||
3820 (!is_builtin && ((type != SID_NAME_ALIAS) &&
3821 (type != SID_NAME_DOM_GRP)))) {
3822 DEBUG(2, ("Rejecting invalid group mapping entry %s\n", dn));
3823 }
3824
3825 if (!ldapsam_extract_rid_from_entry(ld, entry, domain_sid,
3826 &rid)) {
3827 DEBUG(2, ("Could not find sid from ldap entry %s\n", dn));
3828 continue;
3829 }
3830
3831 attr = smbldap_talloc_single_attribute(ld, entry, "displayName", names);
3832
3833 if (attr == NULL) {
3834 DEBUG(10, ("Could not retrieve 'displayName' attribute from %s\n",
3835 dn));
3836 attr = smbldap_talloc_single_attribute(ld, entry, "cn", names);
3837 }
3838
3839 if (attr == NULL) {
3840 DEBUG(2, ("Could not retrieve naming attribute from %s\n",
3841 dn));
3842 continue;
3843 }
3844
3845 for (rid_index = 0; rid_index < num_rids; rid_index++) {
3846 if (rid == rids[rid_index])
3847 break;
3848 }
3849
3850 if (rid_index == num_rids) {
3851 DEBUG(2, ("Got a RID not asked for: %d\n", rid));
3852 continue;
3853 }
3854
3855 attrs[rid_index] = type;
3856 names[rid_index] = attr;
3857 num_mapped += 1;
3858 }
3859
3860 result = NT_STATUS_NONE_MAPPED;
3861
3862 if (num_mapped > 0)
3863 result = (num_mapped == num_rids) ?
3864 NT_STATUS_OK : STATUS_SOME_UNMAPPED;
3865 done:
3866 TALLOC_FREE(mem_ctx);
3867 return result;
3868 }
3869
3870 static char *get_ldap_filter(TALLOC_CTX *mem_ctx, const char *username)
3871 {
3872 char *filter = NULL;
3873 char *escaped = NULL;
3874 char *result = NULL;
3875
3876 asprintf(&filter, "(&%s(objectclass=sambaSamAccount))",
3877 "(uid=%u)");
3878 if (filter == NULL) goto done;
3879
3880 escaped = escape_ldap_string_alloc(username);
3881 if (escaped == NULL) goto done;
3882
3883 result = talloc_string_sub(mem_ctx, filter, "%u", username);
3884
3885 done:
3886 SAFE_FREE(filter);
3887 SAFE_FREE(escaped);
3888
3889 return result;
3890 }
3891
3892 const char **talloc_attrs(TALLOC_CTX *mem_ctx, ...)
3893 {
3894 int i, num = 0;
3895 va_list ap;
3896 const char **result;
3897
3898 va_start(ap, mem_ctx);
3899 while (va_arg(ap, const char *) != NULL)
3900 num += 1;
3901 va_end(ap);
3902
3903 if ((result = TALLOC_ARRAY(mem_ctx, const char *, num+1)) == NULL) {
3904 return NULL;
3905 }
3906
3907 va_start(ap, mem_ctx);
3908 for (i=0; i<num; i++) {
3909 result[i] = talloc_strdup(result, va_arg(ap, const char*));
3910 if (result[i] == NULL) {
3911 talloc_free(result);
3912 return NULL;
3913 }
3914 }
3915 va_end(ap);
3916
3917 result[num] = NULL;
3918 return result;
3919 }
3920
3921 struct ldap_search_state {
3922 struct smbldap_state *connection;
3923
3924 uint32 acct_flags;
3925 uint16 group_type;
3926
3927 const char *base;
3928 int scope;
3929 const char *filter;
3930 const char **attrs;
3931 int attrsonly;
3932 void *pagedresults_cookie;
3933
3934 LDAPMessage *entries, *current_entry;
3935 BOOL (*ldap2displayentry)(struct ldap_search_state *state,
3936 TALLOC_CTX *mem_ctx,
3937 LDAP *ld, LDAPMessage *entry,
3938 struct samr_displayentry *result);
3939 };
3940
3941 static BOOL ldapsam_search_firstpage(struct pdb_search *search)
3942 {
3943 struct ldap_search_state *state = search->private_data;
3944 LDAP *ld;
3945 int rc = LDAP_OPERATIONS_ERROR;
3946
3947 state->entries = NULL;
3948
3949 if (state->connection->paged_results) {
3950 rc = smbldap_search_paged(state->connection, state->base,
3951 state->scope, state->filter,
3952 state->attrs, state->attrsonly,
3953 lp_ldap_page_size(), &state->entries,
3954 &state->pagedresults_cookie);
3955 }
3956
3957 if ((rc != LDAP_SUCCESS) || (state->entries == NULL)) {
3958
3959 if (state->entries != NULL) {
3960 /* Left over from unsuccessful paged attempt */
3961 ldap_msgfree(state->entries);
3962 state->entries = NULL;
3963 }
3964
3965 rc = smbldap_search(state->connection, state->base,
3966 state->scope, state->filter, state->attrs,
3967 state->attrsonly, &state->entries);
3968
3969 if ((rc != LDAP_SUCCESS) || (state->entries == NULL))
3970 return False;
3971
3972 /* Ok, the server was lying. It told us it could do paged
3973 * searches when it could not. */
3974 state->connection->paged_results = False;
3975 }
3976
3977 ld = state->connection->ldap_struct;
3978 if ( ld == NULL) {
3979 DEBUG(5, ("Don't have an LDAP connection right after a "
3980 "search\n"));
3981 return False;
3982 }
3983 state->current_entry = ldap_first_entry(ld, state->entries);
3984
3985 if (state->current_entry == NULL) {
3986 ldap_msgfree(state->entries);
3987 state->entries = NULL;
3988 }
3989
3990 return True;
3991 }
3992
3993 static BOOL ldapsam_search_nextpage(struct pdb_search *search)
3994 {
3995 struct ldap_search_state *state = search->private_data;
3996 int rc;
3997
3998 if (!state->connection->paged_results) {
3999 /* There is no next page when there are no paged results */
4000 return False;
4001 }
4002
4003 rc = smbldap_search_paged(state->connection, state->base,
4004 state->scope, state->filter, state->attrs,
4005 state->attrsonly, lp_ldap_page_size(),
4006 &state->entries,
4007 &state->pagedresults_cookie);
4008
4009 if ((rc != LDAP_SUCCESS) || (state->entries == NULL))
4010 return False;
4011
4012 state->current_entry = ldap_first_entry(state->connection->ldap_struct, state->entries);
4013
4014 if (state->current_entry == NULL) {
4015 ldap_msgfree(state->entries);
4016 state->entries = NULL;
4017 }
4018
4019 return True;
4020 }
4021
4022 static BOOL ldapsam_search_next_entry(struct pdb_search *search,
4023 struct samr_displayentry *entry)
4024 {
4025 struct ldap_search_state *state = search->private_data;
4026 BOOL result;
4027
4028 retry:
4029 if ((state->entries == NULL) && (state->pagedresults_cookie == NULL))
4030 return False;
4031
4032 if ((state->entries == NULL) &&
4033 !ldapsam_search_nextpage(search))
4034 return False;
4035
4036 result = state->ldap2displayentry(state, search->mem_ctx, state->connection->ldap_struct,
4037 state->current_entry, entry);
4038
4039 if (!result) {
4040 char *dn;
4041 dn = ldap_get_dn(state->connection->ldap_struct, state->current_entry);
4042 DEBUG(5, ("Skipping entry %s\n", dn != NULL ? dn : "<NULL>"));
4043 if (dn != NULL) ldap_memfree(dn);
4044 }
4045
4046 state->current_entry = ldap_next_entry(state->connection->ldap_struct, state->current_entry);
4047
4048 if (state->current_entry == NULL) {
4049 ldap_msgfree(state->entries);
4050 state->entries = NULL;
4051 }
4052
4053 if (!result) goto retry;
4054
4055 return True;
4056 }
4057
4058 static void ldapsam_search_end(struct pdb_search *search)
4059 {
4060 struct ldap_search_state *state = search->private_data;
4061 int rc;
4062
4063 if (state->pagedresults_cookie == NULL)
4064 return;
4065
4066 if (state->entries != NULL)
4067 ldap_msgfree(state->entries);
4068
4069 state->entries = NULL;
4070 state->current_entry = NULL;
4071
4072 if (!state->connection->paged_results)
4073 return;
4074
4075 /* Tell the LDAP server we're not interested in the rest anymore. */
4076
4077 rc = smbldap_search_paged(state->connection, state->base, state->scope,
4078 state->filter, state->attrs,
4079 state->attrsonly, 0, &state->entries,
4080 &state->pagedresults_cookie);
4081
4082 if (rc != LDAP_SUCCESS)
4083 DEBUG(5, ("Could not end search properly\n"));
4084
4085 return;
4086 }
4087
4088 static BOOL ldapuser2displayentry(struct ldap_search_state *state,
4089 TALLOC_CTX *mem_ctx,
4090 LDAP *ld, LDAPMessage *entry,
4091 struct samr_displayentry *result)
4092 {
4093 char **vals;
4094 DOM_SID sid;
4095 uint32 acct_flags;
4096
4097 vals = ldap_get_values(ld, entry, "sambaAcctFlags");
4098 if ((vals == NULL) || (vals[0] == NULL)) {
4099 DEBUG(5, ("\"sambaAcctFlags\" not found\n"));
4100 return False;
4101 }
4102 acct_flags = pdb_decode_acct_ctrl(vals[0]);
4103 ldap_value_free(vals);
4104
4105 if ((state->acct_flags != 0) &&
4106 ((state->acct_flags & acct_flags) == 0))
4107 return False;
4108
4109 result->acct_flags = acct_flags;
4110 result->account_name = "";
4111 result->fullname = "";
4112 result->description = "";
4113
4114 vals = ldap_get_values(ld, entry, "uid");
4115 if ((vals == NULL) || (vals[0] == NULL)) {
4116 DEBUG(5, ("\"uid\" not found\n"));
4117 return False;
4118 }
4119 pull_utf8_talloc(mem_ctx,
4120 CONST_DISCARD(char **, &result->account_name),
4121 vals[0]);
4122 ldap_value_free(vals);
4123
4124 vals = ldap_get_values(ld, entry, "displayName");
4125 if ((vals == NULL) || (vals[0] == NULL))
4126 DEBUG(8, ("\"displayName\" not found\n"));
4127 else
4128 pull_utf8_talloc(mem_ctx,
4129 CONST_DISCARD(char **, &result->fullname),
4130 vals[0]);
4131 ldap_value_free(vals);
4132
4133 vals = ldap_get_values(ld, entry, "description");
4134 if ((vals == NULL) || (vals[0] == NULL))
4135 DEBUG(8, ("\"description\" not found\n"));
4136 else
4137 pull_utf8_talloc(mem_ctx,
4138 CONST_DISCARD(char **, &result->description),
4139 vals[0]);
4140 ldap_value_free(vals);
4141
4142 if ((result->account_name == NULL) ||
4143 (result->fullname == NULL) ||
4144 (result->description == NULL)) {
4145 DEBUG(0, ("talloc failed\n"));
4146 return False;
4147 }
4148
4149 vals = ldap_get_values(ld, entry, "sambaSid");
4150 if ((vals == NULL) || (vals[0] == NULL)) {
4151 DEBUG(0, ("\"objectSid\" not found\n"));
4152 return False;
4153 }
4154
4155 if (!string_to_sid(&sid, vals[0])) {
4156 DEBUG(0, ("Could not convert %s to SID\n", vals[0]));
4157 ldap_value_free(vals);
4158 return False;
4159 }
4160 ldap_value_free(vals);
4161
4162 if (!sid_peek_check_rid(get_global_sam_sid(), &sid, &result->rid)) {
4163 DEBUG(0, ("sid %s does not belong to our domain\n",
4164 sid_string_static(&sid)));
4165 return False;
4166 }
4167
4168 return True;
4169 }
4170
4171
4172 static BOOL ldapsam_search_users(struct pdb_methods *methods,
4173 struct pdb_search *search,
4174 uint32 acct_flags)
4175 {
4176 struct ldapsam_privates *ldap_state = methods->private_data;
4177 struct ldap_search_state *state;
4178
4179 state = TALLOC_P(search->mem_ctx, struct ldap_search_state);
4180 if (state == NULL) {
4181 DEBUG(0, ("talloc failed\n"));
4182 return False;
4183 }
4184
4185 state->connection = ldap_state->smbldap_state;
4186
4187 if ((acct_flags != 0) && ((acct_flags & ACB_NORMAL) != 0))
4188 state->base = lp_ldap_user_suffix();
4189 else if ((acct_flags != 0) &&
4190 ((acct_flags & (ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST)) != 0))
4191 state->base = lp_ldap_machine_suffix();
4192 else
4193 state->base = lp_ldap_suffix();
4194
4195 state->acct_flags = acct_flags;
4196 state->base = talloc_strdup(search->mem_ctx, state->base);
4197 state->scope = LDAP_SCOPE_SUBTREE;
4198 state->filter = get_ldap_filter(search->mem_ctx, "*");
4199 state->attrs = talloc_attrs(search->mem_ctx, "uid", "sambaSid",
4200 "displayName", "description",
4201 "sambaAcctFlags", NULL);
4202 state->attrsonly = 0;
4203 state->pagedresults_cookie = NULL;
4204 state->entries = NULL;
4205 state->ldap2displayentry = ldapuser2displayentry;
4206
4207 if ((state->filter == NULL) || (state->attrs == NULL)) {
4208 DEBUG(0, ("talloc failed\n"));
4209 return False;
4210 }
4211
4212 search->private_data = state;
4213 search->next_entry = ldapsam_search_next_entry;
4214 search->search_end = ldapsam_search_end;
4215
4216 return ldapsam_search_firstpage(search);
4217 }
4218
4219 static BOOL ldapgroup2displayentry(struct ldap_search_state *state,
4220 TALLOC_CTX *mem_ctx,
4221 LDAP *ld, LDAPMessage *entry,
4222 struct samr_displayentry *result)
4223 {
4224 char **vals;
4225 DOM_SID sid;
4226 uint16 group_type;
4227
4228 result->account_name = "";
4229 result->fullname = "";
4230 result->description = "";
4231
4232
4233 vals = ldap_get_values(ld, entry, "sambaGroupType");
4234 if ((vals == NULL) || (vals[0] == NULL)) {
4235 DEBUG(5, ("\"sambaGroupType\" not found\n"));
4236 if (vals != NULL) {
4237 ldap_value_free(vals);
4238 }
4239 return False;
4240 }
4241
4242 group_type = atoi(vals[0]);
4243
4244 if ((state->group_type != 0) &&
4245 ((state->group_type != group_type))) {
4246 ldap_value_free(vals);
4247 return False;
4248 }
4249
4250 ldap_value_free(vals);
4251
4252 /* display name is the NT group name */
4253
4254 vals = ldap_get_values(ld, entry, "displayName");
4255 if ((vals == NULL) || (vals[0] == NULL)) {
4256 DEBUG(8, ("\"displayName\" not found\n"));
4257
4258 /* fallback to the 'cn' attribute */
4259 vals = ldap_get_values(ld, entry, "cn");
4260 if ((vals == NULL) || (vals[0] == NULL)) {
4261 DEBUG(5, ("\"cn\" not found\n"));
4262 return False;
4263 }
4264 pull_utf8_talloc(mem_ctx,
4265 CONST_DISCARD(char **, &result->account_name),
4266 vals[0]);
4267 }
4268 else {
4269 pull_utf8_talloc(mem_ctx,
4270 CONST_DISCARD(char **, &result->account_name),
4271 vals[0]);
4272 }
4273
4274 ldap_value_free(vals);
4275
4276 vals = ldap_get_values(ld, entry, "description");
4277 if ((vals == NULL) || (vals[0] == NULL))
4278 DEBUG(8, ("\"description\" not found\n"));
4279 else
4280 pull_utf8_talloc(mem_ctx,
4281 CONST_DISCARD(char **, &result->description),
4282 vals[0]);
4283 ldap_value_free(vals);
4284
4285 if ((result->account_name == NULL) ||
4286 (result->fullname == NULL) ||
4287 (result->description == NULL)) {
4288 DEBUG(0, ("talloc failed\n"));
4289 return False;
4290 }
4291
4292 vals = ldap_get_values(ld, entry, "sambaSid");
4293 if ((vals == NULL) || (vals[0] == NULL)) {
4294 DEBUG(0, ("\"objectSid\" not found\n"));
4295 if (vals != NULL) {
4296 ldap_value_free(vals);
4297 }
4298 return False;
4299 }
4300
4301 if (!string_to_sid(&sid, vals[0])) {
4302 DEBUG(0, ("Could not convert %s to SID\n", vals[0]));
4303 return False;
4304 }
4305
4306 ldap_value_free(vals);
4307
4308 switch (group_type) {
4309 case SID_NAME_DOM_GRP:
4310 case SID_NAME_ALIAS:
4311
4312 if (!sid_peek_check_rid(get_global_sam_sid(), &sid, &result->rid)
4313 && !sid_peek_check_rid(&global_sid_Builtin, &sid, &result->rid))
4314 {
4315 DEBUG(0, ("%s is not in our domain\n",
4316 sid_string_static(&sid)));
4317 return False;
4318 }
4319 break;
4320
4321 default:
4322 DEBUG(0,("unkown group type: %d\n", group_type));
4323 return False;
4324 }
4325
4326 return True;
4327 }
4328
4329 static BOOL ldapsam_search_grouptype(struct pdb_methods *methods,
4330 struct pdb_search *search,
4331 const DOM_SID *sid,
4332 enum SID_NAME_USE type)
4333 {
4334 struct ldapsam_privates *ldap_state = methods->private_data;
4335 struct ldap_search_state *state;
4336
4337 state = TALLOC_P(search->mem_ctx, struct ldap_search_state);
4338 if (state == NULL) {
4339 DEBUG(0, ("talloc failed\n"));
4340 return False;
4341 }
4342
4343 state->connection = ldap_state->smbldap_state;
4344
4345 state->base = talloc_strdup(search->mem_ctx, lp_ldap_group_suffix());
4346 state->connection = ldap_state->smbldap_state;
4347 state->scope = LDAP_SCOPE_SUBTREE;
4348 state->filter = talloc_asprintf(search->mem_ctx,
4349 "(&(objectclass=sambaGroupMapping)"
4350 "(sambaGroupType=%d)(sambaSID=%s*))",
4351 type, sid_string_static(sid));
4352 state->attrs = talloc_attrs(search->mem_ctx, "cn", "sambaSid",
4353 "displayName", "description",
4354 "sambaGroupType", NULL);
4355 state->attrsonly = 0;
4356 state->pagedresults_cookie = NULL;
4357 state->entries = NULL;
4358 state->group_type = type;
4359 state->ldap2displayentry = ldapgroup2displayentry;
4360
4361 if ((state->filter == NULL) || (state->attrs == NULL)) {
4362 DEBUG(0, ("talloc failed\n"));
4363 return False;
4364 }
4365
4366 search->private_data = state;
4367 search->next_entry = ldapsam_search_next_entry;
4368 search->search_end = ldapsam_search_end;
4369
4370 return ldapsam_search_firstpage(search);
4371 }
4372
4373 static BOOL ldapsam_search_groups(struct pdb_methods *methods,
4374 struct pdb_search *search)
4375 {
4376 return ldapsam_search_grouptype(methods, search, get_global_sam_sid(), SID_NAME_DOM_GRP);
4377 }
4378
4379 static BOOL ldapsam_search_aliases(struct pdb_methods *methods,
4380 struct pdb_search *search,
4381 const DOM_SID *sid)
4382 {
4383 return ldapsam_search_grouptype(methods, search, sid, SID_NAME_ALIAS);
4384 }
4385
4386 static BOOL ldapsam_rid_algorithm(struct pdb_methods *methods)
4387 {
4388 return False;
4389 }
4390
4391 static NTSTATUS ldapsam_get_new_rid(struct ldapsam_privates *priv,
4392 uint32 *rid)
4393 {
4394 struct smbldap_state *smbldap_state = priv->smbldap_state;
4395
4396 LDAPMessage *result = NULL;
4397 LDAPMessage *entry = NULL;
4398 LDAPMod **mods = NULL;
4399 NTSTATUS status;
4400 char *value;
4401 int rc;
4402 uint32 nextRid = 0;
4403 const char *dn;
4404
4405 TALLOC_CTX *mem_ctx;
4406
4407 mem_ctx = talloc_new(NULL);
4408 if (mem_ctx == NULL) {
4409 DEBUG(0, ("talloc_new failed\n"));
4410 return NT_STATUS_NO_MEMORY;
4411 }
4412
4413 status = smbldap_search_domain_info(smbldap_state, &result,
4414 get_global_sam_name(), False);
4415 if (!NT_STATUS_IS_OK(status)) {
4416 DEBUG(3, ("Could not get domain info: %s\n",
4417 nt_errstr(status)));
4418 goto done;
4419 }
4420
4421 talloc_autofree_ldapmsg(mem_ctx, result);
4422
4423 entry = ldap_first_entry(priv2ld(priv), result);
4424 if (entry == NULL) {
4425 DEBUG(0, ("Could not get domain info entry\n"));
4426 status = NT_STATUS_INTERNAL_DB_CORRUPTION;
4427 goto done;
4428 }
4429
4430 /* Find the largest of the three attributes "sambaNextRid",
4431 "sambaNextGroupRid" and "sambaNextUserRid". I gave up on the
4432 concept of differentiating between user and group rids, and will
4433 use only "sambaNextRid" in the future. But for compatibility
4434 reasons I look if others have chosen different strategies -- VL */
4435
4436 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4437 "sambaNextRid", mem_ctx);
4438 if (value != NULL) {
4439 uint32 tmp = (uint32)strtoul(value, NULL, 10);
4440 nextRid = MAX(nextRid, tmp);
4441 }
4442
4443 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4444 "sambaNextUserRid", mem_ctx);
4445 if (value != NULL) {
4446 uint32 tmp = (uint32)strtoul(value, NULL, 10);
4447 nextRid = MAX(nextRid, tmp);
4448 }
4449
4450 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4451 "sambaNextGroupRid", mem_ctx);
4452 if (value != NULL) {
4453 uint32 tmp = (uint32)strtoul(value, NULL, 10);
4454 nextRid = MAX(nextRid, tmp);
4455 }
4456
4457 if (nextRid == 0) {
4458 nextRid = BASE_RID-1;
4459 }
4460
4461 nextRid += 1;
4462
4463 smbldap_make_mod(priv2ld(priv), entry, &mods, "sambaNextRid",
4464 talloc_asprintf(mem_ctx, "%d", nextRid));
4465 talloc_autofree_ldapmod(mem_ctx, mods);
4466
4467 if ((dn = smbldap_talloc_dn(mem_ctx, priv2ld(priv), entry)) == NULL) {
4468 status = NT_STATUS_NO_MEMORY;
4469 goto done;
4470 }
4471
4472 rc = smbldap_modify(smbldap_state, dn, mods);
4473
4474 /* ACCESS_DENIED is used as a placeholder for "the modify failed,
4475 * please retry" */
4476
4477 status = (rc == LDAP_SUCCESS) ? NT_STATUS_OK : NT_STATUS_ACCESS_DENIED;
4478
4479 done:
4480 if (NT_STATUS_IS_OK(status)) {
4481 *rid = nextRid;
4482 }
4483
4484 TALLOC_FREE(mem_ctx);
4485 return status;
4486 }
4487
4488 static NTSTATUS ldapsam_new_rid_internal(struct pdb_methods *methods, uint32 *rid)
4489 {
4490 int i;
4491
4492 for (i=0; i<10; i++) {
4493 NTSTATUS result = ldapsam_get_new_rid(methods->private_data,
4494 rid);
4495 if (NT_STATUS_IS_OK(result)) {
4496 return result;
4497 }
4498
4499 if (!NT_STATUS_EQUAL(result, NT_STATUS_ACCESS_DENIED)) {
4500 return result;
4501 }
4502
4503 /* The ldap update failed (maybe a race condition), retry */
4504 }
4505
4506 /* Tried 10 times, fail. */
4507 return NT_STATUS_ACCESS_DENIED;
4508 }
4509
4510 static BOOL ldapsam_new_rid(struct pdb_methods *methods, uint32 *rid)
4511 {
4512 NTSTATUS result = ldapsam_new_rid_internal(methods, rid);
4513 return NT_STATUS_IS_OK(result) ? True : False;
4514 }
4515
4516 static BOOL ldapsam_sid_to_id(struct pdb_methods *methods,
4517 const DOM_SID *sid,
4518 union unid_t *id, enum SID_NAME_USE *type)
4519 {
4520 struct ldapsam_privates *priv = methods->private_data;
4521 char *filter;
4522 const char *attrs[] = { "sambaGroupType", "gidNumber", "uidNumber",
4523 NULL };
4524 LDAPMessage *result = NULL;
4525 LDAPMessage *entry = NULL;
4526 BOOL ret = False;
4527 char *value;
4528 int rc;
4529
4530 TALLOC_CTX *mem_ctx;
4531
4532 mem_ctx = talloc_new(NULL);
4533 if (mem_ctx == NULL) {
4534 DEBUG(0, ("talloc_new failed\n"));
4535 return False;
4536 }
4537
4538 filter = talloc_asprintf(mem_ctx,
4539 "(&(sambaSid=%s)"
4540 "(|(objectClass=%s)(objectClass=%s)))",
4541 sid_string_static(sid),
4542 LDAP_OBJ_GROUPMAP, LDAP_OBJ_SAMBASAMACCOUNT);
4543 if (filter == NULL) {
4544 DEBUG(5, ("talloc_asprintf failed\n"));
4545 goto done;
4546 }
4547
4548 rc = smbldap_search_suffix(priv->smbldap_state, filter,
4549 attrs, &result);
4550 if (rc != LDAP_SUCCESS) {
4551 goto done;
4552 }
4553 talloc_autofree_ldapmsg(mem_ctx, result);
4554
4555 if (ldap_count_entries(priv2ld(priv), result) != 1) {
4556 DEBUG(10, ("Got %d entries, expected one\n",
4557 ldap_count_entries(priv2ld(priv), result)));
4558 goto done;
4559 }
4560
4561 entry = ldap_first_entry(priv2ld(priv), result);
4562
4563 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4564 "sambaGroupType", mem_ctx);
4565
4566 if (value != NULL) {
4567 const char *gid_str;
4568 /* It's a group */
4569
4570 gid_str = smbldap_talloc_single_attribute(
4571 priv2ld(priv), entry, "gidNumber", mem_ctx);
4572 if (gid_str == NULL) {
4573 DEBUG(1, ("%s has sambaGroupType but no gidNumber\n",
4574 smbldap_talloc_dn(mem_ctx, priv2ld(priv),
4575 entry)));
4576 goto done;
4577 }
4578
4579 id->gid = strtoul(gid_str, NULL, 10);
4580 *type = strtoul(value, NULL, 10);
4581 ret = True;
4582 goto done;
4583 }
4584
4585 /* It must be a user */
4586
4587 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4588 "uidNumber", mem_ctx);
4589 if (value == NULL) {
4590 DEBUG(1, ("Could not find uidNumber in %s\n",
4591 smbldap_talloc_dn(mem_ctx, priv2ld(priv), entry)));
4592 goto done;
4593 }
4594
4595 id->uid = strtoul(value, NULL, 10);
4596 *type = SID_NAME_USER;
4597
4598 ret = True;
4599 done:
4600 TALLOC_FREE(mem_ctx);
4601 return ret;
4602 }
4603
4604 /*
4605 * The following functions is called only if
4606 * ldapsam:trusted and ldapsam:editposix are
4607 * set to true
4608 */
4609
4610 /*
4611 * ldapsam_create_user creates a new
4612 * posixAccount and sambaSamAccount object
4613 * in the ldap users subtree
4614 *
4615 * The uid is allocated by winbindd.
4616 */
4617
4618 static NTSTATUS ldapsam_create_user(struct pdb_methods *my_methods,
4619 TALLOC_CTX *tmp_ctx, const char *name,
4620 uint32 acb_info, uint32 *rid)
4621 {
4622 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
4623 LDAPMessage *entry = NULL;
4624 LDAPMessage *result = NULL;
4625 uint32 num_result;
4626 BOOL is_machine = False;
4627 BOOL add_posix = False;
4628 LDAPMod **mods = NULL;
4629 struct samu *user;
4630 char *filter;
4631 char *username;
4632 char *homedir;
4633 char *gidstr;
4634 char *uidstr;
4635 char *shell;
4636 const char *dn = NULL;
4637 DOM_SID group_sid;
4638 DOM_SID user_sid;
4639 gid_t gid = -1;
4640 uid_t uid = -1;
4641 NTSTATUS ret;
4642 int rc;
4643
4644 if (((acb_info & ACB_NORMAL) && name[strlen(name)-1] == '$') ||
4645 acb_info & ACB_WSTRUST ||
4646 acb_info & ACB_SVRTRUST ||
4647 acb_info & ACB_DOMTRUST) {
4648 is_machine = True;
4649 }
4650
4651 username = escape_ldap_string_alloc(name);
4652 filter = talloc_asprintf(tmp_ctx, "(&(uid=%s)(objectClass=%s))",
4653 username, LDAP_OBJ_POSIXACCOUNT);
4654 SAFE_FREE(username);
4655
4656 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
4657 if (rc != LDAP_SUCCESS) {
4658 DEBUG(0,("ldapsam_create_user: ldap search failed!\n"));
4659 return NT_STATUS_UNSUCCESSFUL;
4660 }
4661 talloc_autofree_ldapmsg(tmp_ctx, result);
4662
4663 num_result = ldap_count_entries(priv2ld(ldap_state), result);
4664
4665 if (num_result > 1) {
4666 DEBUG (0, ("ldapsam_create_user: More than one user with name [%s] ?!\n", name));
4667 return NT_STATUS_INTERNAL_DB_CORRUPTION;
4668 }
4669
4670 if (num_result == 1) {
4671 char *tmp;
4672 /* check if it is just a posix account.
4673 * or if there is a sid attached to this entry
4674 */
4675
4676 entry = ldap_first_entry(priv2ld(ldap_state), result);
4677 if (!entry) {
4678 return NT_STATUS_UNSUCCESSFUL;
4679 }
4680
4681 tmp = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "sambaSID", tmp_ctx);
4682 if (tmp) {
4683 DEBUG (1, ("ldapsam_create_user: The user [%s] already exist!\n", name));
4684 return NT_STATUS_USER_EXISTS;
4685 }
4686
4687 /* it is just a posix account, retrieve the dn for later use */
4688 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
4689 if (!dn) {
4690 DEBUG(0,("ldapsam_create_user: Out of memory!\n"));
4691 return NT_STATUS_NO_MEMORY;
4692 }
4693 }
4694
4695 if (num_result == 0) {
4696 add_posix = True;
4697 }
4698
4699 /* Create the basic samu structure and generate the mods for the ldap commit */
4700 if (!NT_STATUS_IS_OK((ret = ldapsam_new_rid_internal(my_methods, rid)))) {
4701 DEBUG(1, ("ldapsam_create_user: Could not allocate a new RID\n"));
4702 return ret;
4703 }
4704
4705 sid_compose(&user_sid, get_global_sam_sid(), *rid);
4706
4707 user = samu_new(tmp_ctx);
4708 if (!user) {
4709 DEBUG(1,("ldapsam_create_user: Unable to allocate user struct\n"));
4710 return NT_STATUS_NO_MEMORY;
4711 }
4712
4713 if (!pdb_set_username(user, name, PDB_SET)) {
4714 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
4715 return NT_STATUS_UNSUCCESSFUL;
4716 }
4717 if (!pdb_set_domain(user, get_global_sam_name(), PDB_SET)) {
4718 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
4719 return NT_STATUS_UNSUCCESSFUL;
4720 }
4721 if (is_machine) {
4722 if (acb_info & ACB_NORMAL) {
4723 if (!pdb_set_acct_ctrl(user, ACB_WSTRUST, PDB_SET)) {
4724 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
4725 return NT_STATUS_UNSUCCESSFUL;
4726 }
4727 } else {
4728 if (!pdb_set_acct_ctrl(user, acb_info, PDB_SET)) {
4729 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
4730 return NT_STATUS_UNSUCCESSFUL;
4731 }
4732 }
4733 } else {
4734 if (!pdb_set_acct_ctrl(user, ACB_NORMAL | ACB_DISABLED, PDB_SET)) {
4735 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
4736 return NT_STATUS_UNSUCCESSFUL;
4737 }
4738 }
4739
4740 if (!pdb_set_user_sid(user, &user_sid, PDB_SET)) {
4741 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
4742 return NT_STATUS_UNSUCCESSFUL;
4743 }
4744
4745 if (!init_ldap_from_sam(ldap_state, NULL, &mods, user, element_is_set_or_changed)) {
4746 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
4747 return NT_STATUS_UNSUCCESSFUL;
4748 }
4749
4750 if (ldap_state->schema_ver != SCHEMAVER_SAMBASAMACCOUNT) {
4751 DEBUG(1,("ldapsam_create_user: Unsupported schema version\n"));
4752 }
4753 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_SAMBASAMACCOUNT);
4754
4755 if (add_posix) {
4756 DEBUG(3,("ldapsam_create_user: Creating new posix user\n"));
4757
4758 /* retrieve the Domain Users group gid */
4759 if (!sid_compose(&group_sid, get_global_sam_sid(), DOMAIN_GROUP_RID_USERS) ||
4760 !sid_to_gid(&group_sid, &gid)) {
4761 DEBUG (0, ("ldapsam_create_user: Unable to get the Domain Users gid: bailing out!\n"));
4762 return NT_STATUS_INVALID_PRIMARY_GROUP;
4763 }
4764
4765 /* lets allocate a new userid for this user */
4766 if (!winbind_allocate_uid(&uid)) {
4767 DEBUG (0, ("ldapsam_create_user: Unable to allocate a new user id: bailing out!\n"));
4768 return NT_STATUS_UNSUCCESSFUL;
4769 }
4770
4771
4772 if (is_machine) {
4773 /* TODO: choose a more appropriate default for machines */
4774 homedir = talloc_sub_specified(tmp_ctx, lp_template_homedir(), "SMB_workstations_home", ldap_state->domain_name, uid, gid);
4775 shell = talloc_strdup(tmp_ctx, "/bin/false");
4776 } else {
4777 homedir = talloc_sub_specified(tmp_ctx, lp_template_homedir(), name, ldap_state->domain_name, uid, gid);
4778 shell = talloc_sub_specified(tmp_ctx, lp_template_shell(), name, ldap_state->domain_name, uid, gid);
4779 }
4780 uidstr = talloc_asprintf(tmp_ctx, "%d", uid);
4781 gidstr = talloc_asprintf(tmp_ctx, "%d", gid);
4782 if (is_machine) {
4783 dn = talloc_asprintf(tmp_ctx, "uid=%s,%s", name, lp_ldap_machine_suffix ());
4784 } else {
4785 dn = talloc_asprintf(tmp_ctx, "uid=%s,%s", name, lp_ldap_user_suffix ());
4786 }
4787
4788 if (!homedir || !shell || !uidstr || !gidstr || !dn) {
4789 DEBUG (0, ("ldapsam_create_user: Out of memory!\n"));
4790 return NT_STATUS_NO_MEMORY;
4791 }
4792
4793 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_ACCOUNT);
4794 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_POSIXACCOUNT);
4795 smbldap_set_mod(&mods, LDAP_MOD_ADD, "cn", name);
4796 smbldap_set_mod(&mods, LDAP_MOD_ADD, "uidNumber", uidstr);
4797 smbldap_set_mod(&mods, LDAP_MOD_ADD, "gidNumber", gidstr);
4798 smbldap_set_mod(&mods, LDAP_MOD_ADD, "homeDirectory", homedir);
4799 smbldap_set_mod(&mods, LDAP_MOD_ADD, "loginShell", shell);
4800 }
4801
4802 talloc_autofree_ldapmod(tmp_ctx, mods);
4803
4804 if (add_posix) {
4805 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
4806 } else {
4807 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
4808 }
4809
4810 if (rc != LDAP_SUCCESS) {
4811 DEBUG(0,("ldapsam_create_user: failed to create a new user [%s] (dn = %s)\n", name ,dn));
4812 return NT_STATUS_UNSUCCESSFUL;
4813 }
4814
4815 DEBUG(2,("ldapsam_create_user: added account [%s] in the LDAP database\n", name));
4816
4817 flush_pwnam_cache();
4818
4819 return NT_STATUS_OK;
4820 }
4821
4822 static NTSTATUS ldapsam_delete_user(struct pdb_methods *my_methods, TALLOC_CTX *tmp_ctx, struct samu *sam_acct)
4823 {
4824 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
4825 LDAPMessage *result = NULL;
4826 LDAPMessage *entry = NULL;
4827 int num_result;
4828 const char *dn;
4829 char *filter;
4830 int rc;
4831
4832 DEBUG(0,("ldapsam_delete_user: Attempt to delete user [%s]\n", pdb_get_username(sam_acct)));
4833
4834 filter = talloc_asprintf(tmp_ctx,
4835 "(&(uid=%s)"
4836 "(objectClass=%s)"
4837 "(objectClass=%s))",
4838 pdb_get_username(sam_acct),
4839 LDAP_OBJ_POSIXACCOUNT,
4840 LDAP_OBJ_SAMBASAMACCOUNT);
4841 if (filter == NULL) {
4842 return NT_STATUS_NO_MEMORY;
4843 }
4844
4845 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
4846 if (rc != LDAP_SUCCESS) {
4847 DEBUG(0,("ldapsam_delete_user: user search failed!\n"));
4848 return NT_STATUS_UNSUCCESSFUL;
4849 }
4850 talloc_autofree_ldapmsg(tmp_ctx, result);
4851
4852 num_result = ldap_count_entries(priv2ld(ldap_state), result);
4853
4854 if (num_result == 0) {
4855 DEBUG(0,("ldapsam_delete_user: user not found!\n"));
4856 return NT_STATUS_NO_SUCH_USER;
4857 }
4858
4859 if (num_result > 1) {
4860 DEBUG (0, ("ldapsam_delete_user: More than one user with name [%s] ?!\n", pdb_get_username(sam_acct)));
4861 return NT_STATUS_INTERNAL_DB_CORRUPTION;
4862 }
4863
4864 entry = ldap_first_entry(priv2ld(ldap_state), result);
4865 if (!entry) {
4866 return NT_STATUS_UNSUCCESSFUL;
4867 }
4868
4869 /* it is just a posix account, retrieve the dn for later use */
4870 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
4871 if (!dn) {
4872 DEBUG(0,("ldapsam_delete_user: Out of memory!\n"));
4873 return NT_STATUS_NO_MEMORY;
4874 }
4875
4876 rc = smbldap_delete(ldap_state->smbldap_state, dn);
4877 if (rc != LDAP_SUCCESS) {
4878 return NT_STATUS_UNSUCCESSFUL;
4879 }
4880
4881 flush_pwnam_cache();
4882
4883 return NT_STATUS_OK;
4884 }
4885
4886 /*
4887 * ldapsam_create_group creates a new
4888 * posixGroup and sambaGroupMapping object
4889 * in the ldap groups subtree
4890 *
4891 * The gid is allocated by winbindd.
4892 */
4893
4894 static NTSTATUS ldapsam_create_dom_group(struct pdb_methods *my_methods,
4895 TALLOC_CTX *tmp_ctx,
4896 const char *name,
4897 uint32 *rid)
4898 {
4899 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
4900 NTSTATUS ret;
4901 LDAPMessage *entry = NULL;
4902 LDAPMessage *result = NULL;
4903 uint32 num_result;
4904 BOOL is_new_entry = False;
4905 LDAPMod **mods = NULL;
4906 char *filter;
4907 char *groupsidstr;
4908 char *groupname;
4909 char *grouptype;
4910 char *gidstr;
4911 const char *dn = NULL;
4912 DOM_SID group_sid;
4913 gid_t gid = -1;
4914 int rc;
4915
4916 groupname = escape_ldap_string_alloc(name);
4917 filter = talloc_asprintf(tmp_ctx, "(&(cn=%s)(objectClass=%s))",
4918 groupname, LDAP_OBJ_POSIXGROUP);
4919 SAFE_FREE(groupname);
4920
4921 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
4922 if (rc != LDAP_SUCCESS) {
4923 DEBUG(0,("ldapsam_create_group: ldap search failed!\n"));
4924 return NT_STATUS_UNSUCCESSFUL;
4925 }
4926 talloc_autofree_ldapmsg(tmp_ctx, result);
4927
4928 num_result = ldap_count_entries(priv2ld(ldap_state), result);
4929
4930 if (num_result > 1) {
4931 DEBUG (0, ("ldapsam_create_group: There exists more than one group with name [%s]: bailing out!\n", name));
4932 return NT_STATUS_INTERNAL_DB_CORRUPTION;
4933 }
4934
4935 if (num_result == 1) {
4936 char *tmp;
4937 /* check if it is just a posix group.
4938 * or if there is a sid attached to this entry
4939 */
4940
4941 entry = ldap_first_entry(priv2ld(ldap_state), result);
4942 if (!entry) {
4943 return NT_STATUS_UNSUCCESSFUL;
4944 }
4945
4946 tmp = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "sambaSID", tmp_ctx);
4947 if (tmp) {
4948 DEBUG (1, ("ldapsam_create_group: The group [%s] already exist!\n", name));
4949 return NT_STATUS_GROUP_EXISTS;
4950 }
4951
4952 /* it is just a posix group, retrieve the gid and the dn for later use */
4953 tmp = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", tmp_ctx);
4954 if (!tmp) {
4955 DEBUG (1, ("ldapsam_create_group: Couldn't retrieve the gidNumber for [%s]?!?!\n", name));
4956 return NT_STATUS_INTERNAL_DB_CORRUPTION;
4957 }
4958
4959 gid = strtoul(tmp, NULL, 10);
4960
4961 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
4962 if (!dn) {
4963 DEBUG(0,("ldapsam_create_group: Out of memory!\n"));
4964 return NT_STATUS_NO_MEMORY;
4965 }
4966 }
4967
4968 if (num_result == 0) {
4969 DEBUG(3,("ldapsam_create_user: Creating new posix group\n"));
4970
4971 is_new_entry = True;
4972
4973 /* lets allocate a new groupid for this group */
4974 if (!winbind_allocate_gid(&gid)) {
4975 DEBUG (0, ("ldapsam_create_group: Unable to allocate a new group id: bailing out!\n"));
4976 return NT_STATUS_UNSUCCESSFUL;
4977 }
4978
4979 gidstr = talloc_asprintf(tmp_ctx, "%d", gid);
4980 dn = talloc_asprintf(tmp_ctx, "cn=%s,%s", name, lp_ldap_group_suffix());
4981
4982 if (!gidstr || !dn) {
4983 DEBUG (0, ("ldapsam_create_group: Out of memory!\n"));
4984 return NT_STATUS_NO_MEMORY;
4985 }
4986
4987 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_POSIXGROUP);
4988 smbldap_set_mod(&mods, LDAP_MOD_ADD, "cn", name);
4989 smbldap_set_mod(&mods, LDAP_MOD_ADD, "gidNumber", gidstr);
4990 }
4991
4992 if (!NT_STATUS_IS_OK((ret = ldapsam_new_rid_internal(my_methods, rid)))) {
4993 DEBUG(1, ("ldapsam_create_group: Could not allocate a new RID\n"));
4994 return ret;
4995 }
4996
4997 sid_compose(&group_sid, get_global_sam_sid(), *rid);
4998
4999 groupsidstr = talloc_strdup(tmp_ctx, sid_string_static(&group_sid));
5000 grouptype = talloc_asprintf(tmp_ctx, "%d", SID_NAME_DOM_GRP);
5001
5002 if (!groupsidstr || !grouptype) {
5003 DEBUG(0,("ldapsam_create_group: Out of memory!\n"));
5004 return NT_STATUS_NO_MEMORY;
5005 }
5006
5007 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_GROUPMAP);
5008 smbldap_set_mod(&mods, LDAP_MOD_ADD, "sambaSid", groupsidstr);
5009 smbldap_set_mod(&mods, LDAP_MOD_ADD, "sambaGroupType", grouptype);
5010 smbldap_set_mod(&mods, LDAP_MOD_ADD, "displayName", name);
5011 talloc_autofree_ldapmod(tmp_ctx, mods);
5012
5013 if (is_new_entry) {
5014 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
5015 #if 0
5016 if (rc == LDAP_OBJECT_CLASS_VIOLATION) {
5017 /* This call may fail with rfc2307bis schema */
5018 /* Retry adding a structural class */
5019 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", "????");
5020 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
5021 }
5022 #endif
5023 } else {
5024 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
5025 }
5026
5027 if (rc != LDAP_SUCCESS) {
5028 DEBUG(0,("ldapsam_create_group: failed to create a new group [%s] (dn = %s)\n", name ,dn));
5029 return NT_STATUS_UNSUCCESSFUL;
5030 }
5031
5032 DEBUG(2,("ldapsam_create_group: added group [%s] in the LDAP database\n", name));
5033
5034 return NT_STATUS_OK;
5035 }
5036
5037 static NTSTATUS ldapsam_delete_dom_group(struct pdb_methods *my_methods, TALLOC_CTX *tmp_ctx, uint32 rid)
5038 {
5039 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5040 LDAPMessage *result = NULL;
5041 LDAPMessage *entry = NULL;
5042 int num_result;
5043 const char *dn;
5044 char *gidstr;
5045 char *filter;
5046 DOM_SID group_sid;
5047 int rc;
5048
5049 /* get the group sid */
5050 sid_compose(&group_sid, get_global_sam_sid(), rid);
5051
5052 filter = talloc_asprintf(tmp_ctx,
5053 "(&(sambaSID=%s)"
5054 "(objectClass=%s)"
5055 "(objectClass=%s))",
5056 sid_string_static(&group_sid),
5057 LDAP_OBJ_POSIXGROUP,
5058 LDAP_OBJ_GROUPMAP);
5059 if (filter == NULL) {
5060 return NT_STATUS_NO_MEMORY;
5061 }
5062
5063 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5064 if (rc != LDAP_SUCCESS) {
5065 DEBUG(1,("ldapsam_delete_dom_group: group search failed!\n"));
5066 return NT_STATUS_UNSUCCESSFUL;
5067 }
5068 talloc_autofree_ldapmsg(tmp_ctx, result);
5069
5070 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5071
5072 if (num_result == 0) {
5073 DEBUG(1,("ldapsam_delete_dom_group: group not found!\n"));
5074 return NT_STATUS_NO_SUCH_GROUP;
5075 }
5076
5077 if (num_result > 1) {
5078 DEBUG (0, ("ldapsam_delete_dom_group: More than one group with the same SID ?!\n"));
5079 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5080 }
5081
5082 entry = ldap_first_entry(priv2ld(ldap_state), result);
5083 if (!entry) {
5084 return NT_STATUS_UNSUCCESSFUL;
5085 }
5086
5087 /* here it is, retrieve the dn for later use */
5088 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5089 if (!dn) {
5090 DEBUG(0,("ldapsam_delete_dom_group: Out of memory!\n"));
5091 return NT_STATUS_NO_MEMORY;
5092 }
5093
5094 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", tmp_ctx);
5095 if (!gidstr) {
5096 DEBUG (0, ("ldapsam_delete_dom_group: Unable to find the group's gid!\n"));
5097 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5098 }
5099
5100 /* check no user have this group marked as primary group */
5101 filter = talloc_asprintf(tmp_ctx,
5102 "(&(gidNumber=%s)"
5103 "(objectClass=%s)"
5104 "(objectClass=%s))",
5105 gidstr,
5106 LDAP_OBJ_POSIXACCOUNT,
5107 LDAP_OBJ_SAMBASAMACCOUNT);
5108
5109 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5110 if (rc != LDAP_SUCCESS) {
5111 DEBUG(1,("ldapsam_delete_dom_group: accounts search failed!\n"));
5112 return NT_STATUS_UNSUCCESSFUL;
5113 }
5114 talloc_autofree_ldapmsg(tmp_ctx, result);
5115
5116 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5117
5118 if (num_result != 0) {
5119 DEBUG(3,("ldapsam_delete_dom_group: Can't delete group, it is a primary group for %d users\n", num_result));
5120 return NT_STATUS_MEMBERS_PRIMARY_GROUP;
5121 }
5122
5123 rc = smbldap_delete(ldap_state->smbldap_state, dn);
5124 if (rc != LDAP_SUCCESS) {
5125 return NT_STATUS_UNSUCCESSFUL;
5126 }
5127
5128 return NT_STATUS_OK;
5129 }
5130
5131 static NTSTATUS ldapsam_change_groupmem(struct pdb_methods *my_methods,
5132 TALLOC_CTX *tmp_ctx,
5133 uint32 group_rid,
5134 uint32 member_rid,
5135 int modop)
5136 {
5137 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5138 LDAPMessage *entry = NULL;
5139 LDAPMessage *result = NULL;
5140 uint32 num_result;
5141 LDAPMod **mods = NULL;
5142 char *filter;
5143 char *uidstr;
5144 const char *dn = NULL;
5145 DOM_SID group_sid;
5146 DOM_SID member_sid;
5147 int rc;
5148
5149 switch (modop) {
5150 case LDAP_MOD_ADD:
5151 DEBUG(1,("ldapsam_change_groupmem: add new member(rid=%d) to a domain group(rid=%d)", member_rid, group_rid));
5152 break;
5153 case LDAP_MOD_DELETE:
5154 DEBUG(1,("ldapsam_change_groupmem: delete member(rid=%d) from a domain group(rid=%d)", member_rid, group_rid));
5155 break;
5156 default:
5157 return NT_STATUS_UNSUCCESSFUL;
5158 }
5159
5160 /* get member sid */
5161 sid_compose(&member_sid, get_global_sam_sid(), member_rid);
5162
5163 /* get the group sid */
5164 sid_compose(&group_sid, get_global_sam_sid(), group_rid);
5165
5166 filter = talloc_asprintf(tmp_ctx,
5167 "(&(sambaSID=%s)"
5168 "(objectClass=%s)"
5169 "(objectClass=%s))",
5170 sid_string_static(&member_sid),
5171 LDAP_OBJ_POSIXACCOUNT,
5172 LDAP_OBJ_SAMBASAMACCOUNT);
5173 if (filter == NULL) {
5174 return NT_STATUS_NO_MEMORY;
5175 }
5176
5177 /* get the member uid */
5178 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5179 if (rc != LDAP_SUCCESS) {
5180 DEBUG(1,("ldapsam_change_groupmem: member search failed!\n"));
5181 return NT_STATUS_UNSUCCESSFUL;
5182 }
5183 talloc_autofree_ldapmsg(tmp_ctx, result);
5184
5185 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5186
5187 if (num_result == 0) {
5188 DEBUG(1,("ldapsam_change_groupmem: member not found!\n"));
5189 return NT_STATUS_NO_SUCH_MEMBER;
5190 }
5191
5192 if (num_result > 1) {
5193 DEBUG (0, ("ldapsam_change_groupmem: More than one account with the same SID ?!\n"));
5194 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5195 }
5196
5197 entry = ldap_first_entry(priv2ld(ldap_state), result);
5198 if (!entry) {
5199 return NT_STATUS_UNSUCCESSFUL;
5200 }
5201
5202 if (modop == LDAP_MOD_DELETE) {
5203 /* check if we are trying to remove the member from his primary group */
5204 char *gidstr;
5205 gid_t user_gid, group_gid;
5206
5207 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", tmp_ctx);
5208 if (!gidstr) {
5209 DEBUG (0, ("ldapsam_change_groupmem: Unable to find the member's gid!\n"));
5210 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5211 }
5212
5213 user_gid = strtoul(gidstr, NULL, 10);
5214
5215 if (!sid_to_gid(&group_sid, &group_gid)) {
5216 DEBUG (0, ("ldapsam_change_groupmem: Unable to get group gid from SID!\n"));
5217 return NT_STATUS_UNSUCCESSFUL;
5218 }
5219
5220 if (user_gid == group_gid) {
5221 DEBUG (3, ("ldapsam_change_groupmem: can't remove user from it's own primary group!\n"));
5222 return NT_STATUS_MEMBERS_PRIMARY_GROUP;
5223 }
5224 }
5225
5226 /* here it is, retrieve the uid for later use */
5227 uidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "uid", tmp_ctx);
5228 if (!uidstr) {
5229 DEBUG (0, ("ldapsam_change_groupmem: Unable to find the member's name!\n"));
5230 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5231 }
5232
5233 filter = talloc_asprintf(tmp_ctx,
5234 "(&(sambaSID=%s)"
5235 "(objectClass=%s)"
5236 "(objectClass=%s))",
5237 sid_string_static(&group_sid),
5238 LDAP_OBJ_POSIXGROUP,
5239 LDAP_OBJ_GROUPMAP);
5240
5241 /* get the group */
5242 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5243 if (rc != LDAP_SUCCESS) {
5244 DEBUG(1,("ldapsam_change_groupmem: group search failed!\n"));
5245 return NT_STATUS_UNSUCCESSFUL;
5246 }
5247 talloc_autofree_ldapmsg(tmp_ctx, result);
5248
5249 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5250
5251 if (num_result == 0) {
5252 DEBUG(1,("ldapsam_change_groupmem: group not found!\n"));
5253 return NT_STATUS_NO_SUCH_GROUP;
5254 }
5255
5256 if (num_result > 1) {
5257 DEBUG (0, ("ldapsam_change_groupmem: More than one group with the same SID ?!\n"));
5258 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5259 }
5260
5261 entry = ldap_first_entry(priv2ld(ldap_state), result);
5262 if (!entry) {
5263 return NT_STATUS_UNSUCCESSFUL;
5264 }
5265
5266 /* here it is, retrieve the dn for later use */
5267 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5268 if (!dn) {
5269 DEBUG(0,("ldapsam_change_groupmem: Out of memory!\n"));
5270 return NT_STATUS_NO_MEMORY;
5271 }
5272
5273 smbldap_set_mod(&mods, modop, "memberUid", uidstr);
5274
5275 talloc_autofree_ldapmod(tmp_ctx, mods);
5276
5277 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
5278 if (rc != LDAP_SUCCESS) {
5279 if (rc == LDAP_TYPE_OR_VALUE_EXISTS && modop == LDAP_MOD_ADD) {
5280 DEBUG(1,("ldapsam_change_groupmem: member is already in group, add failed!\n"));
5281 return NT_STATUS_MEMBER_IN_GROUP;
5282 }
5283 if (rc == LDAP_NO_SUCH_ATTRIBUTE && modop == LDAP_MOD_DELETE) {
5284 DEBUG(1,("ldapsam_change_groupmem: member is not in group, delete failed!\n"));
5285 return NT_STATUS_MEMBER_NOT_IN_GROUP;
5286 }
5287 return NT_STATUS_UNSUCCESSFUL;
5288 }
5289
5290 return NT_STATUS_OK;
5291 }
5292
5293 static NTSTATUS ldapsam_add_groupmem(struct pdb_methods *my_methods,
5294 TALLOC_CTX *tmp_ctx,
5295 uint32 group_rid,
5296 uint32 member_rid)
5297 {
5298 return ldapsam_change_groupmem(my_methods, tmp_ctx, group_rid, member_rid, LDAP_MOD_ADD);
5299 }
5300 static NTSTATUS ldapsam_del_groupmem(struct pdb_methods *my_methods,
5301 TALLOC_CTX *tmp_ctx,
5302 uint32 group_rid,
5303 uint32 member_rid)
5304 {
5305 return ldapsam_change_groupmem(my_methods, tmp_ctx, group_rid, member_rid, LDAP_MOD_DELETE);
5306 }
5307
5308 static NTSTATUS ldapsam_set_primary_group(struct pdb_methods *my_methods,
5309 TALLOC_CTX *mem_ctx,
5310 struct samu *sampass)
5311 {
5312 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5313 LDAPMessage *entry = NULL;
5314 LDAPMessage *result = NULL;
5315 uint32 num_result;
5316 LDAPMod **mods = NULL;
5317 char *filter;
5318 char *gidstr;
5319 const char *dn = NULL;
5320 gid_t gid;
5321 int rc;
5322
5323 DEBUG(0,("ldapsam_set_primary_group: Attempt to set primary group for user [%s]\n", pdb_get_username(sampass)));
5324
5325 if (!sid_to_gid(pdb_get_group_sid(sampass), &gid)) {
5326 DEBUG(0,("ldapsam_set_primary_group: failed to retieve gid from user's group SID!\n"));
5327 return NT_STATUS_UNSUCCESSFUL;
5328 }
5329 gidstr = talloc_asprintf(mem_ctx, "%d", gid);
5330 if (!gidstr) {
5331 DEBUG(0,("ldapsam_set_primary_group: Out of Memory!\n"));
5332 return NT_STATUS_NO_MEMORY;
5333 }
5334
5335 filter = talloc_asprintf(mem_ctx,
5336 "(&(uid=%s)"
5337 "(objectClass=%s)"
5338 "(objectClass=%s))",
5339 pdb_get_username(sampass),
5340 LDAP_OBJ_POSIXACCOUNT,
5341 LDAP_OBJ_SAMBASAMACCOUNT);
5342 if (filter == NULL) {
5343 return NT_STATUS_NO_MEMORY;
5344 }
5345
5346 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5347 if (rc != LDAP_SUCCESS) {
5348 DEBUG(0,("ldapsam_set_primary_group: user search failed!\n"));
5349 return NT_STATUS_UNSUCCESSFUL;
5350 }
5351 talloc_autofree_ldapmsg(mem_ctx, result);
5352
5353 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5354
5355 if (num_result == 0) {
5356 DEBUG(0,("ldapsam_set_primary_group: user not found!\n"));
5357 return NT_STATUS_NO_SUCH_USER;
5358 }
5359
5360 if (num_result > 1) {
5361 DEBUG (0, ("ldapsam_set_primary_group: More than one user with name [%s] ?!\n", pdb_get_username(sampass)));
5362 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5363 }
5364
5365 entry = ldap_first_entry(priv2ld(ldap_state), result);
5366 if (!entry) {
5367 return NT_STATUS_UNSUCCESSFUL;
5368 }
5369
5370 /* retrieve the dn for later use */
5371 dn = smbldap_talloc_dn(mem_ctx, priv2ld(ldap_state), entry);
5372 if (!dn) {
5373 DEBUG(0,("ldapsam_set_primary_group: Out of memory!\n"));
5374 return NT_STATUS_NO_MEMORY;
5375 }
5376
5377 /* remove the old one, and add the new one, this way we do not risk races */
5378 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "gidNumber", gidstr);
5379
5380 if (mods == NULL) {
5381 return NT_STATUS_OK;
5382 }
5383
5384 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
5385
5386 if (rc != LDAP_SUCCESS) {
5387 DEBUG(0,("ldapsam_set_primary_group: failed to modify [%s] primary group to [%s]\n",
5388 pdb_get_username(sampass), gidstr));
5389 return NT_STATUS_UNSUCCESSFUL;
5390 }
5391
5392 flush_pwnam_cache();
5393
5394 return NT_STATUS_OK;
5395 }
5396
5397 /**********************************************************************
5398 Housekeeping
5399 *********************************************************************/
5400
5401 static void free_private_data(void **vp)
5402 {
5403 struct ldapsam_privates **ldap_state = (struct ldapsam_privates **)vp;
5404
5405 smbldap_free_struct(&(*ldap_state)->smbldap_state);
5406
5407 if ((*ldap_state)->result != NULL) {
5408 ldap_msgfree((*ldap_state)->result);
5409 (*ldap_state)->result = NULL;
5410 }
5411 if ((*ldap_state)->domain_dn != NULL) {
5412 SAFE_FREE((*ldap_state)->domain_dn);
5413 }
5414
5415 *ldap_state = NULL;
5416
5417 /* No need to free any further, as it is talloc()ed */
5418 }
5419
5420 /*********************************************************************
5421 Intitalise the parts of the pdb_methods structure that are common to
5422 all pdb_ldap modes
5423 *********************************************************************/
5424
5425 static NTSTATUS pdb_init_ldapsam_common(struct pdb_methods **pdb_method, const char *location)
5426 {
5427 NTSTATUS nt_status;
5428 struct ldapsam_privates *ldap_state;
5429
5430 if (!NT_STATUS_IS_OK(nt_status = make_pdb_method( pdb_method ))) {
5431 return nt_status;
5432 }
5433
5434 (*pdb_method)->name = "ldapsam";
5435
5436 (*pdb_method)->setsampwent = ldapsam_setsampwent;
5437 (*pdb_method)->endsampwent = ldapsam_endsampwent;
5438 (*pdb_method)->getsampwent = ldapsam_getsampwent;
5439 (*pdb_method)->getsampwnam = ldapsam_getsampwnam;
5440 (*pdb_method)->getsampwsid = ldapsam_getsampwsid;
5441 (*pdb_method)->add_sam_account = ldapsam_add_sam_account;
5442 (*pdb_method)->update_sam_account = ldapsam_update_sam_account;
5443 (*pdb_method)->delete_sam_account = ldapsam_delete_sam_account;
5444 (*pdb_method)->rename_sam_account = ldapsam_rename_sam_account;
5445
5446 (*pdb_method)->getgrsid = ldapsam_getgrsid;
5447 (*pdb_method)->getgrgid = ldapsam_getgrgid;
5448 (*pdb_method)->getgrnam = ldapsam_getgrnam;
5449 (*pdb_method)->add_group_mapping_entry = ldapsam_add_group_mapping_entry;
5450 (*pdb_method)->update_group_mapping_entry = ldapsam_update_group_mapping_entry;
5451 (*pdb_method)->delete_group_mapping_entry = ldapsam_delete_group_mapping_entry;
5452 (*pdb_method)->enum_group_mapping = ldapsam_enum_group_mapping;
5453
5454 (*pdb_method)->get_account_policy = ldapsam_get_account_policy;
5455 (*pdb_method)->set_account_policy = ldapsam_set_account_policy;
5456
5457 (*pdb_method)->get_seq_num = ldapsam_get_seq_num;
5458
5459 (*pdb_method)->rid_algorithm = ldapsam_rid_algorithm;
5460 (*pdb_method)->new_rid = ldapsam_new_rid;
5461
5462 /* TODO: Setup private data and free */
5463
5464 if ( !(ldap_state = TALLOC_ZERO_P(*pdb_method, struct ldapsam_privates)) ) {
5465 DEBUG(0, ("pdb_init_ldapsam_common: talloc() failed for ldapsam private_data!\n"));
5466 return NT_STATUS_NO_MEMORY;
5467 }
5468
5469 nt_status = smbldap_init(*pdb_method, location, &ldap_state->smbldap_state);
5470
5471 if ( !NT_STATUS_IS_OK(nt_status) ) {
5472 return nt_status;
5473 }
5474
5475 if ( !(ldap_state->domain_name = talloc_strdup(*pdb_method, get_global_sam_name()) ) ) {
5476 return NT_STATUS_NO_MEMORY;
5477 }
5478
5479 (*pdb_method)->private_data = ldap_state;
5480
5481 (*pdb_method)->free_private_data = free_private_data;
5482
5483 return NT_STATUS_OK;
5484 }
5485
5486 /**********************************************************************
5487 Initialise the 'compat' mode for pdb_ldap
5488 *********************************************************************/
5489
5490 NTSTATUS pdb_init_ldapsam_compat(struct pdb_methods **pdb_method, const char *location)
5491 {
5492 NTSTATUS nt_status;
5493 struct ldapsam_privates *ldap_state;
5494 char *uri = talloc_strdup( NULL, location );
5495
5496 trim_char( uri, '\"', '\"' );
5497 nt_status = pdb_init_ldapsam_common( pdb_method, uri );
5498 if ( uri )
5499 TALLOC_FREE( uri );
5500
5501 if ( !NT_STATUS_IS_OK(nt_status) ) {
5502 return nt_status;
5503 }
5504
5505 (*pdb_method)->name = "ldapsam_compat";
5506
5507 ldap_state = (*pdb_method)->private_data;
5508 ldap_state->schema_ver = SCHEMAVER_SAMBAACCOUNT;
5509
5510 sid_copy(&ldap_state->domain_sid, get_global_sam_sid());
5511
5512 return NT_STATUS_OK;
5513 }
5514
5515 /**********************************************************************
5516 Initialise the normal mode for pdb_ldap
5517 *********************************************************************/
5518
5519 NTSTATUS pdb_init_ldapsam(struct pdb_methods **pdb_method, const char *location)
5520 {
5521 NTSTATUS nt_status;
5522 struct ldapsam_privates *ldap_state;
5523 uint32 alg_rid_base;
5524 pstring alg_rid_base_string;
5525 LDAPMessage *result = NULL;
5526 LDAPMessage *entry = NULL;
5527 DOM_SID ldap_domain_sid;
5528 DOM_SID secrets_domain_sid;
5529 pstring domain_sid_string;
5530 char *dn;
5531 char *uri = talloc_strdup( NULL, location );
5532
5533 trim_char( uri, '\"', '\"' );
5534 nt_status = pdb_init_ldapsam_common(pdb_method, uri);
5535 if ( uri )
5536 TALLOC_FREE( uri );
5537
5538 if (!NT_STATUS_IS_OK(nt_status)) {
5539 return nt_status;
5540 }
5541
5542 (*pdb_method)->name = "ldapsam";
5543
5544 (*pdb_method)->add_aliasmem = ldapsam_add_aliasmem;
5545 (*pdb_method)->del_aliasmem = ldapsam_del_aliasmem;
5546 (*pdb_method)->enum_aliasmem = ldapsam_enum_aliasmem;
5547 (*pdb_method)->enum_alias_memberships = ldapsam_alias_memberships;
5548 (*pdb_method)->search_users = ldapsam_search_users;
5549 (*pdb_method)->search_groups = ldapsam_search_groups;
5550 (*pdb_method)->search_aliases = ldapsam_search_aliases;
5551
5552 if (lp_parm_bool(-1, "ldapsam", "trusted", False)) {
5553 (*pdb_method)->enum_group_members = ldapsam_enum_group_members;
5554 (*pdb_method)->enum_group_memberships =
5555 ldapsam_enum_group_memberships;
5556 (*pdb_method)->lookup_rids = ldapsam_lookup_rids;
5557 (*pdb_method)->sid_to_id = ldapsam_sid_to_id;
5558
5559 if (lp_parm_bool(-1, "ldapsam", "editposix", False)) {
5560 (*pdb_method)->create_user = ldapsam_create_user;
5561 (*pdb_method)->delete_user = ldapsam_delete_user;
5562 (*pdb_method)->create_dom_group = ldapsam_create_dom_group;
5563 (*pdb_method)->delete_dom_group = ldapsam_delete_dom_group;
5564 (*pdb_method)->add_groupmem = ldapsam_add_groupmem;
5565 (*pdb_method)->del_groupmem = ldapsam_del_groupmem;
5566 (*pdb_method)->set_unix_primary_group = ldapsam_set_primary_group;
5567 }
5568 }
5569
5570 ldap_state = (*pdb_method)->private_data;
5571 ldap_state->schema_ver = SCHEMAVER_SAMBASAMACCOUNT;
5572
5573 /* Try to setup the Domain Name, Domain SID, algorithmic rid base */
5574
5575 nt_status = smbldap_search_domain_info(ldap_state->smbldap_state,
5576 &result,
5577 ldap_state->domain_name, True);
5578
5579 if ( !NT_STATUS_IS_OK(nt_status) ) {
5580 DEBUG(2, ("pdb_init_ldapsam: WARNING: Could not get domain "
5581 "info, nor add one to the domain\n"));
5582 DEBUGADD(2, ("pdb_init_ldapsam: Continuing on regardless, "
5583 "will be unable to allocate new users/groups, "
5584 "and will risk BDCs having inconsistant SIDs\n"));
5585 sid_copy(&ldap_state->domain_sid, get_global_sam_sid());
5586 return NT_STATUS_OK;
5587 }
5588
5589 /* Given that the above might fail, everything below this must be
5590 * optional */
5591
5592 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
5593 result);
5594 if (!entry) {
5595 DEBUG(0, ("pdb_init_ldapsam: Could not get domain info "
5596 "entry\n"));
5597 ldap_msgfree(result);
5598 return NT_STATUS_UNSUCCESSFUL;
5599 }
5600
5601 dn = smbldap_get_dn(ldap_state->smbldap_state->ldap_struct, entry);
5602 if (!dn) {
5603 return NT_STATUS_UNSUCCESSFUL;
5604 }
5605
5606 ldap_state->domain_dn = smb_xstrdup(dn);
5607 ldap_memfree(dn);
5608
5609 if (smbldap_get_single_pstring(
5610 ldap_state->smbldap_state->ldap_struct,
5611 entry,
5612 get_userattr_key2string(ldap_state->schema_ver,
5613 LDAP_ATTR_USER_SID),
5614 domain_sid_string)) {
5615 BOOL found_sid;
5616 if (!string_to_sid(&ldap_domain_sid, domain_sid_string)) {
5617 DEBUG(1, ("pdb_init_ldapsam: SID [%s] could not be "
5618 "read as a valid SID\n", domain_sid_string));
5619 return NT_STATUS_INVALID_PARAMETER;
5620 }
5621 found_sid = secrets_fetch_domain_sid(ldap_state->domain_name,
5622 &secrets_domain_sid);
5623 if (!found_sid || !sid_equal(&secrets_domain_sid,
5624 &ldap_domain_sid)) {
5625 fstring new_sid_str, old_sid_str;
5626 DEBUG(1, ("pdb_init_ldapsam: Resetting SID for domain "
5627 "%s based on pdb_ldap results %s -> %s\n",
5628 ldap_state->domain_name,
5629 sid_to_string(old_sid_str,
5630 &secrets_domain_sid),
5631 sid_to_string(new_sid_str,
5632 &ldap_domain_sid)));
5633
5634 /* reset secrets.tdb sid */
5635 secrets_store_domain_sid(ldap_state->domain_name,
5636 &ldap_domain_sid);
5637 DEBUG(1, ("New global sam SID: %s\n",
5638 sid_to_string(new_sid_str,
5639 get_global_sam_sid())));
5640 }
5641 sid_copy(&ldap_state->domain_sid, &ldap_domain_sid);
5642 }
5643
5644 if (smbldap_get_single_pstring(
5645 ldap_state->smbldap_state->ldap_struct,
5646 entry,
5647 get_attr_key2string( dominfo_attr_list,
5648 LDAP_ATTR_ALGORITHMIC_RID_BASE ),
5649 alg_rid_base_string)) {
5650 alg_rid_base = (uint32)atol(alg_rid_base_string);
5651 if (alg_rid_base != algorithmic_rid_base()) {
5652 DEBUG(0, ("The value of 'algorithmic RID base' has "
5653 "changed since the LDAP\n"
5654 "database was initialised. Aborting. \n"));
5655 ldap_msgfree(result);
5656 return NT_STATUS_UNSUCCESSFUL;
5657 }
5658 }
5659 ldap_msgfree(result);
5660
5661 return NT_STATUS_OK;
5662 }
5663
5664 NTSTATUS pdb_ldap_init(void)
5665 {
5666 NTSTATUS nt_status;
5667 if (!NT_STATUS_IS_OK(nt_status = smb_register_passdb(PASSDB_INTERFACE_VERSION, "ldapsam", pdb_init_ldapsam)))
5668 return nt_status;
5669
5670 if (!NT_STATUS_IS_OK(nt_status = smb_register_passdb(PASSDB_INTERFACE_VERSION, "ldapsam_compat", pdb_init_ldapsam_compat)))
5671 return nt_status;
5672
5673 /* Let pdb_nds register backends */
5674 pdb_nds_init();
5675
5676 return NT_STATUS_OK;
5677 }
Tomato firmware and modifications.